136972529604 has 135 divisors (see below), whose sum is σ = 371370166167. Its totient is φ = 44020936512.

The previous prime is 136972529597. The next prime is 136972529699. The reversal of 136972529604 is 406925279631.

The square root of 136972529604 is 370098.

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

136972529604 is a `hidden beast` number, since 1 + 3 + 6 + 9 + 7 + 2 + 5 + 29 + 604 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19515531204 + 117456998400 = 139698^2 + 342720^2 .

It is a super-2 number, since 2×136972529604² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 193190802 + ... + 193191510.

Almost surely, 2^136972529604 is an apocalyptic number.

136972529604 is the 370098-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136972529604

136972529604 is an abundant number, since it is smaller than the sum of its proper divisors (234397636563).

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

136972529604 is an frugal number, since it uses more digits than its factorization.

136972529604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 136972529604 in words is "one hundred thirty-six billion, nine hundred seventy-two million, five hundred twenty-nine thousand, six hundred four".