136962907225 has 9 divisors (see below), whose sum is σ = 169836299517. Its totient is φ = 109568845440.

The previous prime is 136962907181. The next prime is 136962907229. The reversal of 136962907225 is 522709269631.

The square root of 136962907225 is 370085.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 27743232969 + 109219674256 = 166563^2 + 330484^2 .

It is not a de Polignac number, because 136962907225 - 2⁷ = 136962907097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136962907229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1813417 + ... + 1887433.

Almost surely, 2^136962907225 is an apocalyptic number.

136962907225 is the 370085-th square number.

136962907225 is the 185043-rd centered octagonal number.

It is an amenable number.

136962907225 is a deficient number, since it is larger than the sum of its proper divisors (32873392292).

136962907225 is an frugal number, since it uses more digits than its factorization.

136962907225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148044 (or 74022 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 136962907225 in words is "one hundred thirty-six billion, nine hundred sixty-two million, nine hundred seven thousand, two hundred twenty-five".