136912255669 has 16 divisors (see below), whose sum is σ = 160380170496. Its totient is φ = 114424905600.

The previous prime is 136912255663. The next prime is 136912255673. The reversal of 136912255669 is 966552219631.

It is a cyclic number.

It is not a de Polignac number, because 136912255669 - 2⁷ = 136912255541 is a prime.

It is a super-2 number, since 2×136912255669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136912255663) 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, 362664 + ... + 636670.

It is an arithmetic number, because the mean of its divisors is an integer number (10023760656).

Almost surely, 2^136912255669 is an apocalyptic number.

It is an amenable number.

136912255669 is a deficient number, since it is larger than the sum of its proper divisors (23467914827).

136912255669 is a wasteful number, since it uses less digits than its factorization.

136912255669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275796.

The product of its digits is 5248800, while the sum is 55.

The spelling of 136912255669 in words is "one hundred thirty-six billion, nine hundred twelve million, two hundred fifty-five thousand, six hundred sixty-nine".