135374592 has 72 divisors (see below), whose sum is σ = 362033280. Its totient is φ = 44907520.

The previous prime is 135374543. The next prime is 135374593. The reversal of 135374592 is 295473531.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 135374592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135374593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275467 + ... + 275957.

It is an arithmetic number, because the mean of its divisors is an integer number (5028240).

Almost surely, 2^135374592 is an apocalyptic number.

135374592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135374592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181016640).

135374592 is an abundant number, since it is smaller than the sum of its proper divisors (226658688).

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

135374592 is an equidigital number, since it uses as much as digits as its factorization.

135374592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 855 counting only the distinct ones).

The product of its digits is 113400, while the sum is 39.

The square root of 135374592 is about 11635.0587450171. The cubic root of 135374592 is about 513.4668223519.

The spelling of 135374592 in words is "one hundred thirty-five million, three hundred seventy-four thousand, five hundred ninety-two".