137779325 has 12 divisors (see below), whose sum is σ = 174482880. Its totient is φ = 107877360.

The previous prime is 137779321. The next prime is 137779333. The reversal of 137779325 is 523977731.

137779325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137779325 - 2² = 137779321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137779321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57455 + ... + 59804.

It is an arithmetic number, because the mean of its divisors is an integer number (14540240).

Almost surely, 2^137779325 is an apocalyptic number.

It is an amenable number.

137779325 is a deficient number, since it is larger than the sum of its proper divisors (36703555).

137779325 is a wasteful number, since it uses less digits than its factorization.

137779325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117316 (or 117311 counting only the distinct ones).

The product of its digits is 277830, while the sum is 44.

The square root of 137779325 is about 11737.9438148255. The cubic root of 137779325 is about 516.4893263492.

The spelling of 137779325 in words is "one hundred thirty-seven million, seven hundred seventy-nine thousand, three hundred twenty-five".