136564240252 has 48 divisors (see below), whose sum is σ = 267542352000. Its totient is φ = 60457037760.

The previous prime is 136564240231. The next prime is 136564240259. The reversal of 136564240252 is 252042465631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136564240259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556899 + ... + 763717.

It is an arithmetic number, because the mean of its divisors is an integer number (5573799000).

Almost surely, 2^136564240252 is an apocalyptic number.

It is an amenable number.

136564240252 is a deficient number, since it is larger than the sum of its proper divisors (130978111748).

136564240252 is a wasteful number, since it uses less digits than its factorization.

136564240252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207226 (or 207224 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 136564240252 in words is "one hundred thirty-six billion, five hundred sixty-four million, two hundred forty thousand, two hundred fifty-two".