137620475 has 12 divisors (see below), whose sum is σ = 170955576. Its totient is φ = 109898880.

The previous prime is 137620471. The next prime is 137620481. The reversal of 137620475 is 574026731.

It is not a de Polignac number, because 137620475 - 2² = 137620471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137620471) 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, 10184 + ... + 19466.

It is an arithmetic number, because the mean of its divisors is an integer number (14246298).

Almost surely, 2^137620475 is an apocalyptic number.

137620475 is a deficient number, since it is larger than the sum of its proper divisors (33335101).

137620475 is an equidigital number, since it uses as much as digits as its factorization.

137620475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886 (or 9881 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 137620475 is about 11731.1753460597. The cubic root of 137620475 is about 516.2907579012.

The spelling of 137620475 in words is "one hundred thirty-seven million, six hundred twenty thousand, four hundred seventy-five".