1375138877740 has 24 divisors (see below), whose sum is σ = 3057661740672. Its totient is φ = 517699342080.

The previous prime is 1375138877737. The next prime is 1375138877767. The reversal of 1375138877740 is 477788315731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022262716 + ... + 2022263395.

It is an arithmetic number, because the mean of its divisors is an integer number (127402572528).

Almost surely, 2^{1375138877740} is an apocalyptic number.

1375138877740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375138877740 is an abundant number, since it is smaller than the sum of its proper divisors (1682522862932).

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

1375138877740 is a wasteful number, since it uses less digits than its factorization.

1375138877740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4044526137 (or 4044526135 counting only the distinct ones).

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 1375138877740 in words is "one trillion, three hundred seventy-five billion, one hundred thirty-eight million, eight hundred seventy-seven thousand, seven hundred forty".