136395970 has 32 divisors (see below), whose sum is σ = 257043456. Its totient is φ = 52046400.

The previous prime is 136395953. The next prime is 136395997. The reversal of 136395970 is 79593631.

It is a happy 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, 18912 + ... + 25108.

It is an arithmetic number, because the mean of its divisors is an integer number (8032608).

Almost surely, 2^136395970 is an apocalyptic number.

136395970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136395970 is a deficient number, since it is larger than the sum of its proper divisors (120647486).

136395970 is a wasteful number, since it uses less digits than its factorization.

136395970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306.

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 136395970 is about 11678.8685239624. The cubic root of 136395970 is about 514.7549278556.

The spelling of 136395970 in words is "one hundred thirty-six million, three hundred ninety-five thousand, nine hundred seventy".