137903699 has 16 divisors (see below), whose sum is σ = 148531968. Its totient is φ = 127698912.

The previous prime is 137903693. The next prime is 137903749. The reversal of 137903699 is 996309731.

It is a cyclic number.

It is not a de Polignac number, because 137903699 - 2¹⁶ = 137838163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137903693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295064 + ... + 295530.

It is an arithmetic number, because the mean of its divisors is an integer number (9283248).

Almost surely, 2^137903699 is an apocalyptic number.

137903699 is a deficient number, since it is larger than the sum of its proper divisors (10628269).

137903699 is a wasteful number, since it uses less digits than its factorization.

137903699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 275562, while the sum is 47.

The square root of 137903699 is about 11743.2405663854. The cubic root of 137903699 is about 516.6446920010.

The spelling of 137903699 in words is "one hundred thirty-seven million, nine hundred three thousand, six hundred ninety-nine".