136622972 has 12 divisors (see below), whose sum is σ = 239633016. Its totient is φ = 68156400.

The previous prime is 136622971. The next prime is 136622987. The reversal of 136622972 is 279226631.

It is a super-2 number, since 2×136622972² = 37331672956225568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136622971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36779 + ... + 40322.

It is an arithmetic number, because the mean of its divisors is an integer number (19969418).

Almost surely, 2^136622972 is an apocalyptic number.

It is an amenable number.

136622972 is a deficient number, since it is larger than the sum of its proper divisors (103010044).

136622972 is a wasteful number, since it uses less digits than its factorization.

136622972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77548 (or 77546 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 136622972 is about 11688.5829765631. The cubic root of 136622972 is about 515.0403361752.

The spelling of 136622972 in words is "one hundred thirty-six million, six hundred twenty-two thousand, nine hundred seventy-two".