1375957923720 has 64 divisors (see below), whose sum is σ = 4160376760320. Its totient is φ = 364032958464.

The previous prime is 1375957923709. The next prime is 1375957923733. The reversal of 1375957923720 is 273297595731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45127737 + ... + 45158216.

It is an arithmetic number, because the mean of its divisors is an integer number (65005886880).

Almost surely, 2^{1375957923720} is an apocalyptic number.

1375957923720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375957923720 is an abundant number, since it is smaller than the sum of its proper divisors (2784418836600).

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

1375957923720 is a wasteful number, since it uses less digits than its factorization.

1375957923720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90286094 (or 90286090 counting only the distinct ones).

The product of its (nonzero) digits is 25004700, while the sum is 60.

The spelling of 1375957923720 in words is "one trillion, three hundred seventy-five billion, nine hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred twenty".