1390146886488 has 32 divisors (see below), whose sum is σ = 3679800582960. Its totient is φ = 436124513280.

The previous prime is 1390146886483. The next prime is 1390146886511. The reversal of 1390146886488 is 8846886410931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390146886483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703610973 + ... + 1703611788.

Almost surely, 2^{1390146886488} is an apocalyptic number.

It is an amenable number.

1390146886488 is an abundant number, since it is smaller than the sum of its proper divisors (2289653696472).

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

1390146886488 is a wasteful number, since it uses less digits than its factorization.

1390146886488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407222787 (or 3407222783 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 66.

The spelling of 1390146886488 in words is "one trillion, three hundred ninety billion, one hundred forty-six million, eight hundred eighty-six thousand, four hundred eighty-eight".