1390201813 has 32 divisors (see below), whose sum is σ = 1877121792. Its totient is φ = 994291200.

The previous prime is 1390201759. The next prime is 1390201829. The reversal of 1390201813 is 3181020931.

It is not a de Polignac number, because 1390201813 - 2²⁹ = 853330901 is a prime.

It is a super-2 number, since 2×1390201813² = 3865322161736973938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390207813) 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, 177345 + ... + 185017.

It is an arithmetic number, because the mean of its divisors is an integer number (58660056).

Almost surely, 2^1390201813 is an apocalyptic number.

1390201813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1390201813 is a deficient number, since it is larger than the sum of its proper divisors (486919979).

1390201813 is a wasteful number, since it uses less digits than its factorization.

1390201813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1390201813 is about 37285.4101895098. The cubic root of 1390201813 is about 1116.0730386138.

It can be divided in two parts, 1390 and 201813, that added together give a triangular number (203203 = T₆₃₇).

The spelling of 1390201813 in words is "one billion, three hundred ninety million, two hundred one thousand, eight hundred thirteen".