137072316643 has 16 divisors (see below), whose sum is σ = 146443622400. Its totient is φ = 127999387296.

The previous prime is 137072316637. The next prime is 137072316671. The reversal of 137072316643 is 346613270731.

It is a happy number.

It is not a de Polignac number, because 137072316643 - 2⁹ = 137072316131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137072316643.

It is not an unprimeable number, because it can be changed into a prime (137072316613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269458 + ... + 588856.

It is an arithmetic number, because the mean of its divisors is an integer number (9152726400).

Almost surely, 2^137072316643 is an apocalyptic number.

137072316643 is a deficient number, since it is larger than the sum of its proper divisors (9371305757).

137072316643 is a wasteful number, since it uses less digits than its factorization.

137072316643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319866.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 137072316643 in words is "one hundred thirty-seven billion, seventy-two million, three hundred sixteen thousand, six hundred forty-three".