135790398 has 32 divisors (see below), whose sum is σ = 302776320. Its totient is φ = 45110520.

The previous prime is 135790381. The next prime is 135790463. The reversal of 135790398 is 893097531.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12483 + ... + 20673.

It is an arithmetic number, because the mean of its divisors is an integer number (9461760).

Almost surely, 2^135790398 is an apocalyptic number.

135790398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

135790398 is an abundant number, since it is smaller than the sum of its proper divisors (166985922).

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

135790398 is a wasteful number, since it uses less digits than its factorization.

135790398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8509 (or 8503 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 135790398 is about 11652.9137128874. The cubic root of 135790398 is about 513.9919931934.

The spelling of 135790398 in words is "one hundred thirty-five million, seven hundred ninety thousand, three hundred ninety-eight".