138170150 has 24 divisors (see below), whose sum is σ = 257375640. Its totient is φ = 55186560.

The previous prime is 138170143. The next prime is 138170159. The reversal of 138170150 is 51071831.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138170159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41342 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (10723985).

Almost surely, 2^138170150 is an apocalyptic number.

138170150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138170150 is a deficient number, since it is larger than the sum of its proper divisors (119205490).

138170150 is a wasteful number, since it uses less digits than its factorization.

138170150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4088 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 138170150 is about 11754.5799584673. The cubic root of 138170150 is about 516.9772233991.

The spelling of 138170150 in words is "one hundred thirty-eight million, one hundred seventy thousand, one hundred fifty".