137788692 has 12 divisors (see below), whose sum is σ = 321506976. Its totient is φ = 45929560.

The previous prime is 137788687. The next prime is 137788759. The reversal of 137788692 is 296887731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5741184 + ... + 5741207.

It is an arithmetic number, because the mean of its divisors is an integer number (26792248).

Almost surely, 2^137788692 is an apocalyptic number.

137788692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137788692 is an abundant number, since it is smaller than the sum of its proper divisors (183718284).

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

137788692 is a wasteful number, since it uses less digits than its factorization.

137788692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482398 (or 11482396 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 51.

The square root of 137788692 is about 11738.3428131913. The cubic root of 137788692 is about 516.5010306836.

The spelling of 137788692 in words is "one hundred thirty-seven million, seven hundred eighty-eight thousand, six hundred ninety-two".