137980663439 has 4 divisors (see below), whose sum is σ = 145242803640. Its totient is φ = 130718523240.

The previous prime is 137980663411. The next prime is 137980663451. The reversal of 137980663439 is 934366089731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 137980663439 - 2³⁶ = 69261186703 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 (137980663039) 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, 3631070072 + ... + 3631070109.

It is an arithmetic number, because the mean of its divisors is an integer number (36310700910).

Almost surely, 2^137980663439 is an apocalyptic number.

137980663439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137980663439 is a deficient number, since it is larger than the sum of its proper divisors (7262140201).

137980663439 is an equidigital number, since it uses as much as digits as its factorization.

137980663439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262140200.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 137980663439 in words is "one hundred thirty-seven billion, nine hundred eighty million, six hundred sixty-three thousand, four hundred thirty-nine".