137213036391 has 8 divisors (see below), whose sum is σ = 187895329264. Its totient is φ = 89003050560.

The previous prime is 137213036371. The next prime is 137213036399. The reversal of 137213036391 is 193630312731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137213036391 - 2⁶ = 137213036327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137213036399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618076630 + ... + 618076851.

It is an arithmetic number, because the mean of its divisors is an integer number (23486916158).

Almost surely, 2^137213036391 is an apocalyptic number.

137213036391 is a deficient number, since it is larger than the sum of its proper divisors (50682292873).

137213036391 is a wasteful number, since it uses less digits than its factorization.

137213036391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236153521.

The product of its (nonzero) digits is 61236, while the sum is 39.

The spelling of 137213036391 in words is "one hundred thirty-seven billion, two hundred thirteen million, thirty-six thousand, three hundred ninety-one".