137512751389 has 12 divisors (see below), whose sum is σ = 156295129116. Its totient is φ = 120254061888.

The previous prime is 137512751357. The next prime is 137512751401. The reversal of 137512751389 is 983157215731.

It can be written as a sum of positive squares in 2 ways, for example, as 74545380900 + 62967370489 = 273030^2 + 250933^2 .

It is not a de Polignac number, because 137512751389 - 2⁵ = 137512751357 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 (137512751309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14646144 + ... + 14655529.

It is an arithmetic number, because the mean of its divisors is an integer number (13024594093).

Almost surely, 2^137512751389 is an apocalyptic number.

137512751389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

137512751389 is a deficient number, since it is larger than the sum of its proper divisors (18782377727).

137512751389 is a wasteful number, since it uses less digits than its factorization.

137512751389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29301724 (or 29301705 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 52.

The spelling of 137512751389 in words is "one hundred thirty-seven billion, five hundred twelve million, seven hundred fifty-one thousand, three hundred eighty-nine".