138034050 has 384 divisors, whose sum is σ = 488540160. Its totient is φ = 24883200.

The previous prime is 138034049. The next prime is 138034051. The reversal of 138034050 is 50430831.

138034050 = 1310² + 1311² + ... + 1385².

It is an interprime number because it is at equal distance from previous prime (138034049) and next prime (138034051).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 138034050.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138034051) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3730632 + ... + 3730668.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^138034050 is an apocalyptic number.

138034050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 138034050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244270080).

138034050 is an abundant number, since it is smaller than the sum of its proper divisors (350506110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138034050 is a wasteful number, since it uses less digits than its factorization.

138034050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 138034050 is about 11748.7892993278. The cubic root of 138034050 is about 516.8074237840.

Adding to 138034050 its reverse (50430831), we get a palindrome (188464881).

The spelling of 138034050 in words is "one hundred thirty-eight million, thirty-four thousand, fifty".