137367476381 has 4 divisors (see below), whose sum is σ = 139959315612. Its totient is φ = 134775637152.

The previous prime is 137367476317. The next prime is 137367476383. The reversal of 137367476381 is 183674763731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 126516087481 + 10851388900 = 355691^2 + 104170^2 .

It is a cyclic number.

It is not a de Polignac number, because 137367476381 - 2⁶ = 137367476317 is a prime.

It is a super-2 number, since 2×137367476381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137367476383) 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, 1295919536 + ... + 1295919641.

It is an arithmetic number, because the mean of its divisors is an integer number (34989828903).

Almost surely, 2^137367476381 is an apocalyptic number.

It is an amenable number.

137367476381 is a deficient number, since it is larger than the sum of its proper divisors (2591839231).

137367476381 is an equidigital number, since it uses as much as digits as its factorization.

137367476381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591839230.

The product of its digits is 10668672, while the sum is 56.

The spelling of 137367476381 in words is "one hundred thirty-seven billion, three hundred sixty-seven million, four hundred seventy-six thousand, three hundred eighty-one".