136557555053 has 4 divisors (see below), whose sum is σ = 137632811520. Its totient is φ = 135482298588.

The previous prime is 136557554981. The next prime is 136557555059. The reversal of 136557555053 is 350555755631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350555755631 = 2393 ⋅146492167.

It is a cyclic number.

It is not a de Polignac number, because 136557555053 - 2²⁸ = 136289119597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136557554992 and 136557555010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136557555059) 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, 537628043 + ... + 537628296.

It is an arithmetic number, because the mean of its divisors is an integer number (34408202880).

Almost surely, 2^136557555053 is an apocalyptic number.

It is an amenable number.

136557555053 is a deficient number, since it is larger than the sum of its proper divisors (1075256467).

136557555053 is a wasteful number, since it uses less digits than its factorization.

136557555053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075256466.

The product of its (nonzero) digits is 5906250, while the sum is 50.

The spelling of 136557555053 in words is "one hundred thirty-six billion, five hundred fifty-seven million, five hundred fifty-five thousand, fifty-three".