137907810389 has 4 divisors (see below), whose sum is σ = 137911405056. Its totient is φ = 137904215724.

The previous prime is 137907810347. The next prime is 137907810421. The reversal of 137907810389 is 983018709731.

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, and also an emirpimes, since its reverse is a distinct semiprime: 983018709731 = 41 ⋅23976066091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137907810389 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 (137907810589) 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, 1739159 + ... + 1816724.

It is an arithmetic number, because the mean of its divisors is an integer number (34477851264).

Almost surely, 2^137907810389 is an apocalyptic number.

It is an amenable number.

137907810389 is a deficient number, since it is larger than the sum of its proper divisors (3594667).

137907810389 is an equidigital number, since it uses as much as digits as its factorization.

137907810389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594666.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The spelling of 137907810389 in words is "one hundred thirty-seven billion, nine hundred seven million, eight hundred ten thousand, three hundred eighty-nine".