137820711 has 16 divisors (see below), whose sum is σ = 210403584. Its totient is φ = 78608064.

The previous prime is 137820703. The next prime is 137820713. The reversal of 137820711 is 117028731.

It is not a de Polignac number, because 137820711 - 2³ = 137820703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137820713) 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, 5995 + ... + 17651.

It is an arithmetic number, because the mean of its divisors is an integer number (13150224).

Almost surely, 2^137820711 is an apocalyptic number.

137820711 is a deficient number, since it is larger than the sum of its proper divisors (72582873).

137820711 is a wasteful number, since it uses less digits than its factorization.

137820711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 137820711 is about 11739.7065976966. The cubic root of 137820711 is about 516.5410353347.

The spelling of 137820711 in words is "one hundred thirty-seven million, eight hundred twenty thousand, seven hundred eleven".