136706512 has 10 divisors (see below), whose sum is σ = 264868898. Its totient is φ = 68353248.

The previous prime is 136706509. The next prime is 136706513. The reversal of 136706512 is 215607631.

It can be written as a sum of positive squares in only one way, i.e., 134003776 + 2702736 = 11576^2 + 1644^2 .

It is a super-2 number, since 2×136706512² = 37377340846412288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136706513) 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 as a sum of consecutive naturals, namely, 4272063 + ... + 4272094.

Almost surely, 2^136706512 is an apocalyptic number.

It is an amenable number.

136706512 is a deficient number, since it is larger than the sum of its proper divisors (128162386).

136706512 is an equidigital number, since it uses as much as digits as its factorization.

136706512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544165 (or 8544159 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 136706512 is about 11692.1560030646. The cubic root of 136706512 is about 515.1452909578.

The spelling of 136706512 in words is "one hundred thirty-six million, seven hundred six thousand, five hundred twelve".