136734723325 has 12 divisors (see below), whose sum is σ = 170210796660. Its totient is φ = 108962140160.

The previous prime is 136734723313. The next prime is 136734723361. The reversal of 136734723325 is 523327437631.

It can be written as a sum of positive squares in 6 ways, for example, as 505080676 + 136229642649 = 22474^2 + 369093^2 .

It is not a de Polignac number, because 136734723325 - 2⁷ = 136734723197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10634410 + ... + 10647259.

It is an arithmetic number, because the mean of its divisors is an integer number (14184233055).

Almost surely, 2^136734723325 is an apocalyptic number.

It is an amenable number.

136734723325 is a deficient number, since it is larger than the sum of its proper divisors (33476073335).

136734723325 is a wasteful number, since it uses less digits than its factorization.

136734723325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281936 (or 21281931 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 46.

The spelling of 136734723325 in words is "one hundred thirty-six billion, seven hundred thirty-four million, seven hundred twenty-three thousand, three hundred twenty-five".