1390753207204 has 81 divisors (see below), whose sum is σ = 2632139486571. Its totient is φ = 642908278320.

The previous prime is 1390753207201. The next prime is 1390753207219. The reversal of 1390753207204 is 4027023570931.

The square root of 1390753207204 is 1179302.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390753207201) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1681684239 + ... + 1681685065.

Almost surely, 2^{1390753207204} is an apocalyptic number.

1390753207204 is the 1179302-nd square number.

It is an amenable number.

1390753207204 is a deficient number, since it is larger than the sum of its proper divisors (1241386279367).

1390753207204 is an frugal number, since it uses more digits than its factorization.

1390753207204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 1390753207204 in words is "one trillion, three hundred ninety billion, seven hundred fifty-three million, two hundred seven thousand, two hundred four".