136164429925 has 24 divisors (see below), whose sum is σ = 170091345600. Its totient is φ = 108129705600.

The previous prime is 136164429923. The next prime is 136164429931. The reversal of 136164429925 is 529924461631.

It is a happy number.

It is not a de Polignac number, because 136164429925 - 2¹ = 136164429923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136164429923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1810726 + ... + 1884424.

It is an arithmetic number, because the mean of its divisors is an integer number (7087139400).

Almost surely, 2^136164429925 is an apocalyptic number.

It is an amenable number.

136164429925 is a deficient number, since it is larger than the sum of its proper divisors (33926915675).

136164429925 is a wasteful number, since it uses less digits than its factorization.

136164429925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74253 (or 74248 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The spelling of 136164429925 in words is "one hundred thirty-six billion, one hundred sixty-four million, four hundred twenty-nine thousand, nine hundred twenty-five".