1390348751457 has 32 divisors (see below), whose sum is σ = 1868918400000. Its totient is φ = 919372652352.

The previous prime is 1390348751453. The next prime is 1390348751489. The reversal of 1390348751457 is 7541578430931.

It is not a de Polignac number, because 1390348751457 - 2² = 1390348751453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1390348751397 and 1390348751406.

It is not an unprimeable number, because it can be changed into a prime (1390348751453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346459183 + ... + 346463195.

It is an arithmetic number, because the mean of its divisors is an integer number (58403700000).

Almost surely, 2^{1390348751457} is an apocalyptic number.

It is an amenable number.

1390348751457 is a deficient number, since it is larger than the sum of its proper divisors (478569648543).

1390348751457 is a wasteful number, since it uses less digits than its factorization.

1390348751457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877.

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 1390348751457 in words is "one trillion, three hundred ninety billion, three hundred forty-eight million, seven hundred fifty-one thousand, four hundred fifty-seven".