137938828965 has 16 divisors (see below), whose sum is σ = 252231001728. Its totient is φ = 63057750336.

The previous prime is 137938828939. The next prime is 137938828967. The reversal of 137938828965 is 569828839731.

It is a happy number.

It is not a de Polignac number, because 137938828965 - 2¹⁴ = 137938812581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137938828965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137938828967) 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, 656851462 + ... + 656851671.

It is an arithmetic number, because the mean of its divisors is an integer number (15764437608).

Almost surely, 2^137938828965 is an apocalyptic number.

137938828965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137938828965 is a deficient number, since it is larger than the sum of its proper divisors (114292172763).

137938828965 is a wasteful number, since it uses less digits than its factorization.

137938828965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313703148.

The product of its digits is 156764160, while the sum is 69.

The spelling of 137938828965 in words is "one hundred thirty-seven billion, nine hundred thirty-eight million, eight hundred twenty-eight thousand, nine hundred sixty-five".