137697339 has 16 divisors (see below), whose sum is σ = 201452832. Its totient is φ = 83136768.

The previous prime is 137697317. The next prime is 137697359. The reversal of 137697339 is 933796731.

It is not a de Polignac number, because 137697339 - 2⁹ = 137696827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137697359) 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, 31242 + ... + 35375.

It is an arithmetic number, because the mean of its divisors is an integer number (12590802).

Almost surely, 2^137697339 is an apocalyptic number.

137697339 is a deficient number, since it is larger than the sum of its proper divisors (63755493).

137697339 is a wasteful number, since it uses less digits than its factorization.

137697339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66686.

The product of its digits is 642978, while the sum is 48.

The square root of 137697339 is about 11734.4509458261. The cubic root of 137697339 is about 516.3868598486.

The spelling of 137697339 in words is "one hundred thirty-seven million, six hundred ninety-seven thousand, three hundred thirty-nine".