136625979405 has 16 divisors (see below), whose sum is σ = 218610538560. Its totient is φ = 72864198528.

The previous prime is 136625979353. The next prime is 136625979409. The reversal of 136625979405 is 504979526631.

It is not a de Polignac number, because 136625979405 - 2⁶ = 136625979341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136625979409) 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, 219241 + ... + 566849.

It is an arithmetic number, because the mean of its divisors is an integer number (13663158660).

Almost surely, 2^136625979405 is an apocalyptic number.

136625979405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136625979405 is a deficient number, since it is larger than the sum of its proper divisors (81984559155).

136625979405 is a wasteful number, since it uses less digits than its factorization.

136625979405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373820.

The product of its (nonzero) digits is 12247200, while the sum is 57.

The spelling of 136625979405 in words is "one hundred thirty-six billion, six hundred twenty-five million, nine hundred seventy-nine thousand, four hundred five".