137786139 has 12 divisors (see below), whose sum is σ = 210731976. Its totient is φ = 86453952.

The previous prime is 137786107. The next prime is 137786149. The reversal of 137786139 is 931687731.

137786139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 137786139 - 2⁵ = 137786107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137786094 and 137786103.

It is not an unprimeable number, because it can be changed into a prime (137786149) 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, 450129 + ... + 450434.

It is an arithmetic number, because the mean of its divisors is an integer number (17560998).

Almost surely, 2^137786139 is an apocalyptic number.

137786139 is a deficient number, since it is larger than the sum of its proper divisors (72945837).

137786139 is a wasteful number, since it uses less digits than its factorization.

137786139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900586 (or 900583 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 137786139 is about 11738.2340665025. The cubic root of 137786139 is about 516.4978406897.

The spelling of 137786139 in words is "one hundred thirty-seven million, seven hundred eighty-six thousand, one hundred thirty-nine".