137297322827 has 4 divisors (see below), whose sum is σ = 156911226096. Its totient is φ = 117683419560.

The previous prime is 137297322823. The next prime is 137297322857. The reversal of 137297322827 is 728223792731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 137297322827 - 2² = 137297322823 is a prime.

It is a super-2 number, since 2×137297322827² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137297322821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9806951624 + ... + 9806951637.

It is an arithmetic number, because the mean of its divisors is an integer number (39227806524).

Almost surely, 2^137297322827 is an apocalyptic number.

137297322827 is a deficient number, since it is larger than the sum of its proper divisors (19613903269).

137297322827 is an equidigital number, since it uses as much as digits as its factorization.

137297322827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19613903268.

The product of its digits is 3556224, while the sum is 53.

The spelling of 137297322827 in words is "one hundred thirty-seven billion, two hundred ninety-seven million, three hundred twenty-two thousand, eight hundred twenty-seven".