135446250 has 80 divisors (see below), whose sum is σ = 356510880. Its totient is φ = 34200000.

The previous prime is 135446239. The next prime is 135446309. The reversal of 135446250 is 52644531.

135446250 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70300 + ... + 72200.

It is an arithmetic number, because the mean of its divisors is an integer number (4456386).

Almost surely, 2^135446250 is an apocalyptic number.

135446250 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 135446250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178255440).

135446250 is an abundant number, since it is smaller than the sum of its proper divisors (221064630).

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

135446250 is a wasteful number, since it uses less digits than its factorization.

135446250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 135446250 is about 11638.1377376280. The cubic root of 135446250 is about 513.5574043803.

The spelling of 135446250 in words is "one hundred thirty-five million, four hundred forty-six thousand, two hundred fifty".