137240463 has 4 divisors (see below), whose sum is σ = 182987288. Its totient is φ = 91493640.

The previous prime is 137240461. The next prime is 137240491. The reversal of 137240463 is 364042731.

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

It is not a de Polignac number, because 137240463 - 2¹ = 137240461 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 137240463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137240461) 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, 22873408 + ... + 22873413.

It is an arithmetic number, because the mean of its divisors is an integer number (45746822).

Almost surely, 2^137240463 is an apocalyptic number.

137240463 is a deficient number, since it is larger than the sum of its proper divisors (45746825).

137240463 is an equidigital number, since it uses as much as digits as its factorization.

137240463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45746824.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 137240463 is about 11714.9674775477. The cubic root of 137240463 is about 515.8151078759.

The spelling of 137240463 in words is "one hundred thirty-seven million, two hundred forty thousand, four hundred sixty-three".