138757757750 has 32 divisors (see below), whose sum is σ = 261623325600. Its totient is φ = 55103786400.

The previous prime is 138757757713. The next prime is 138757757773. The reversal of 138757757750 is 57757757831.

138757757750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1961765 + ... + 2031264.

It is an arithmetic number, because the mean of its divisors is an integer number (8175728925).

Almost surely, 2^138757757750 is an apocalyptic number.

138757757750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

138757757750 is a deficient number, since it is larger than the sum of its proper divisors (122865567850).

138757757750 is a wasteful number, since it uses less digits than its factorization.

138757757750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993185 (or 3993175 counting only the distinct ones).

The product of its (nonzero) digits is 50421000, while the sum is 62.

The spelling of 138757757750 in words is "one hundred thirty-eight billion, seven hundred fifty-seven million, seven hundred fifty-seven thousand, seven hundred fifty".