1387500913100 has 36 divisors (see below), whose sum is σ = 3044707079400. Its totient is φ = 548764402560.

The previous prime is 1387500913037. The next prime is 1387500913133. The reversal of 1387500913100 is 13190057831.

It is a super-2 number, since 2×1387500913100² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77940590 + ... + 77958389.

It is an arithmetic number, because the mean of its divisors is an integer number (84575196650).

Almost surely, 2^{1387500913100} is an apocalyptic number.

1387500913100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1387500913100 is an abundant number, since it is smaller than the sum of its proper divisors (1657206166300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1387500913100 is a wasteful number, since it uses less digits than its factorization.

1387500913100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155899082 (or 155899075 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 1387500913100 in words is "one trillion, three hundred eighty-seven billion, five hundred million, nine hundred thirteen thousand, one hundred".