137215813001 has 4 divisors (see below), whose sum is σ = 140135298432. Its totient is φ = 134296327572.

The previous prime is 137215812997. The next prime is 137215813013. The reversal of 137215813001 is 100318512731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137215813001 - 2² = 137215812997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137215813051) 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, 1459742645 + ... + 1459742738.

It is an arithmetic number, because the mean of its divisors is an integer number (35033824608).

Almost surely, 2^137215813001 is an apocalyptic number.

It is an amenable number.

137215813001 is a deficient number, since it is larger than the sum of its proper divisors (2919485431).

137215813001 is an equidigital number, since it uses as much as digits as its factorization.

137215813001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919485430.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 137215813001 in words is "one hundred thirty-seven billion, two hundred fifteen million, eight hundred thirteen thousand, one".