1390001252750 has 64 divisors (see below), whose sum is σ = 2839366213632. Its totient is φ = 505324852000.

The previous prime is 1390001252719. The next prime is 1390001252851. The reversal of 1390001252750 is 572521000931.

It is a self number, because there is not a number n which added to its sum of digits gives 1390001252750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10956179 + ... + 11082321.

It is an arithmetic number, because the mean of its divisors is an integer number (44365097088).

Almost surely, 2^{1390001252750} is an apocalyptic number.

1390001252750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1390001252750 is an abundant number, since it is smaller than the sum of its proper divisors (1449364960882).

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

1390001252750 is a wasteful number, since it uses less digits than its factorization.

1390001252750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130178 (or 130168 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 1390001252750 in words is "one trillion, three hundred ninety billion, one million, two hundred fifty-two thousand, seven hundred fifty".