1390021015275 has 240 divisors, whose sum is σ = 2807884569600. Its totient is φ = 677149424640.

The previous prime is 1390021015267. The next prime is 1390021015297. The reversal of 1390021015275 is 5725101200931.

1390021015275 is a `hidden beast` number, since 1 + 390 + 0 + 210 + 1 + 52 + 7 + 5 = 666.

It is not a de Polignac number, because 1390021015275 - 2³ = 1390021015267 is a prime.

It is a super-2 number, since 2×1390021015275² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 160450594 + ... + 160459256.

It is an arithmetic number, because the mean of its divisors is an integer number (11699519040).

Almost surely, 2^{1390021015275} is an apocalyptic number.

1390021015275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390021015275 is an abundant number, since it is smaller than the sum of its proper divisors (1417863554325).

1390021015275 is a wasteful number, since it uses less digits than its factorization.

1390021015275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840 (or 8826 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The spelling of 1390021015275 in words is "one trillion, three hundred ninety billion, twenty-one million, fifteen thousand, two hundred seventy-five".