137329806 has 16 divisors (see below), whose sum is σ = 274777344. Its totient is φ = 45756984.

The previous prime is 137329781. The next prime is 137329811. The reversal of 137329806 is 608923731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19945 + ... + 25931.

It is an arithmetic number, because the mean of its divisors is an integer number (17173584).

Almost surely, 2^137329806 is an apocalyptic number.

137329806 is an abundant number, since it is smaller than the sum of its proper divisors (137447538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137329806 is a wasteful number, since it uses less digits than its factorization.

137329806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 137329806 is about 11718.7800559615. The cubic root of 137329806 is about 515.9270147958.

The spelling of 137329806 in words is "one hundred thirty-seven million, three hundred twenty-nine thousand, eight hundred six".