1390127637740 has 48 divisors (see below), whose sum is σ = 3024070640640. Its totient is φ = 536393425920.

The previous prime is 1390127637739. The next prime is 1390127637751. The reversal of 1390127637740 is 477367210931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9451052 + ... + 9597011.

It is an arithmetic number, because the mean of its divisors is an integer number (63001471680).

Almost surely, 2^{1390127637740} is an apocalyptic number.

1390127637740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1390127637740 is an abundant number, since it is smaller than the sum of its proper divisors (1633943002900).

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

1390127637740 is a wasteful number, since it uses less digits than its factorization.

1390127637740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19048202 (or 19048200 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 1390127637740 in words is "one trillion, three hundred ninety billion, one hundred twenty-seven million, six hundred thirty-seven thousand, seven hundred forty".