1390418070831 has 6 divisors (see below), whose sum is σ = 2008381657880. Its totient is φ = 926945380548.

The previous prime is 1390418070829. The next prime is 1390418070841. The reversal of 1390418070831 is 1380708140931.

1390418070831 is a `hidden beast` number, since 1 + 3 + 90 + 418 + 0 + 70 + 83 + 1 = 666.

It is not a de Polignac number, because 1390418070831 - 2¹ = 1390418070829 is a prime.

It is a super-2 number, since 2×1390418070831² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390418070841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77245448371 + ... + 77245448388.

Almost surely, 2^{1390418070831} is an apocalyptic number.

1390418070831 is a deficient number, since it is larger than the sum of its proper divisors (617963587049).

1390418070831 is a wasteful number, since it uses less digits than its factorization.

1390418070831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154490896765 (or 154490896762 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 1390418070831 in words is "one trillion, three hundred ninety billion, four hundred eighteen million, seventy thousand, eight hundred thirty-one".