1390853901 has 4 divisors (see below), whose sum is σ = 1854471872. Its totient is φ = 927235932.

The previous prime is 1390853897. The next prime is 1390853909. The reversal of 1390853901 is 1093580931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1390853901 - 2² = 1390853897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1390853901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390853909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231808981 + ... + 231808986.

It is an arithmetic number, because the mean of its divisors is an integer number (463617968).

Almost surely, 2^1390853901 is an apocalyptic number.

It is an amenable number.

1390853901 is a deficient number, since it is larger than the sum of its proper divisors (463617971).

1390853901 is an equidigital number, since it uses as much as digits as its factorization.

1390853901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463617970.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 1390853901 is about 37294.1537107359. The cubic root of 1390853901 is about 1116.2475130601.

The spelling of 1390853901 in words is "one billion, three hundred ninety million, eight hundred fifty-three thousand, nine hundred one".