137440850151481 has 4 divisors (see below), whose sum is σ = 137450973229812. Its totient is φ = 137430727073152.

The previous prime is 137440850151379. The next prime is 137440850151497. The reversal of 137440850151481 is 184151058044731.

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 118668690842256 + 18772159309225 = 10893516^2 + 4332685^2 .

It is a cyclic number.

It is not a de Polignac number, because 137440850151481 - 2⁹ = 137440850150969 is a prime.

It is a super-2 number, since 2×137440850151481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137440850151581) 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, 5061518800 + ... + 5061545953.

It is an arithmetic number, because the mean of its divisors is an integer number (34362743307453).

Almost surely, 2^{137440850151481} is an apocalyptic number.

It is an amenable number.

137440850151481 is a deficient number, since it is larger than the sum of its proper divisors (10123078331).

137440850151481 is a wasteful number, since it uses less digits than its factorization.

137440850151481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123078330.

The product of its (nonzero) digits is 2150400, while the sum is 52.

The spelling of 137440850151481 in words is "one hundred thirty-seven trillion, four hundred forty billion, eight hundred fifty million, one hundred fifty-one thousand, four hundred eighty-one".