136587023057 has 4 divisors (see below), whose sum is σ = 136620694116. Its totient is φ = 136553352000.

The previous prime is 136587023033. The next prime is 136587023081. The reversal of 136587023057 is 750320785631.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (136587023033) and next prime (136587023081).

It can be written as a sum of positive squares in 2 ways, for example, as 82668325441 + 53918697616 = 287521^2 + 232204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136587023057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136587020057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16829444 + ... + 16837557.

It is an arithmetic number, because the mean of its divisors is an integer number (34155173529).

Almost surely, 2^136587023057 is an apocalyptic number.

It is an amenable number.

136587023057 is a deficient number, since it is larger than the sum of its proper divisors (33671059).

136587023057 is an equidigital number, since it uses as much as digits as its factorization.

136587023057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33671058.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 136587023057 in words is "one hundred thirty-six billion, five hundred eighty-seven million, twenty-three thousand, fifty-seven".