135718974 has 12 divisors (see below), whose sum is σ = 294057816. Its totient is φ = 45239652.

The previous prime is 135718949. The next prime is 135718993. The reversal of 135718974 is 479817531.

135718974 is a `hidden beast` number, since 1 + 3 + 571 + 8 + 9 + 74 = 666.

It is a super-2 number, since 2×135718974² = 36839279807225352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3769954 + ... + 3769989.

It is an arithmetic number, because the mean of its divisors is an integer number (24504818).

Almost surely, 2^135718974 is an apocalyptic number.

135718974 is an abundant number, since it is smaller than the sum of its proper divisors (158338842).

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

135718974 is a wasteful number, since it uses less digits than its factorization.

135718974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539951 (or 7539948 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 135718974 is about 11649.8486685450. The cubic root of 135718974 is about 513.9018596662.

The spelling of 135718974 in words is "one hundred thirty-five million, seven hundred eighteen thousand, nine hundred seventy-four".