135692690 has 32 divisors (see below), whose sum is σ = 286689024. Its totient is φ = 45264960.

The previous prime is 135692651. The next prime is 135692701. The reversal of 135692690 is 96296531.

It is a super-2 number, since 2×135692690² = 36825012238872200, which contains 22 as substring.

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, 23606 + ... + 28785.

It is an arithmetic number, because the mean of its divisors is an integer number (8959032).

Almost surely, 2^135692690 is an apocalyptic number.

135692690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135692690 is an abundant number, since it is smaller than the sum of its proper divisors (150996334).

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

135692690 is a wasteful number, since it uses less digits than its factorization.

135692690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52442.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 135692690 is about 11648.7205305991. The cubic root of 135692690 is about 513.8686826089.

The spelling of 135692690 in words is "one hundred thirty-five million, six hundred ninety-two thousand, six hundred ninety".