1390752301 has 4 divisors (see below), whose sum is σ = 1390856832. Its totient is φ = 1390647772.

The previous prime is 1390752283. The next prime is 1390752313. The reversal of 1390752301 is 1032570931.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1032570931 = 7 ⋅147510133.

It is a cyclic number.

It is not a de Polignac number, because 1390752301 - 2⁷ = 1390752173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390752361) 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, 28795 + ... + 60088.

It is an arithmetic number, because the mean of its divisors is an integer number (347714208).

Almost surely, 2^1390752301 is an apocalyptic number.

It is an amenable number.

1390752301 is a deficient number, since it is larger than the sum of its proper divisors (104531).

1390752301 is an equidigital number, since it uses as much as digits as its factorization.

1390752301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104530.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 1390752301 is about 37292.7915420661. The cubic root of 1390752301 is about 1116.2203322735.

It can be divided in two parts, 139075 and 2301, that added together give a square (141376 = 376²).

The spelling of 1390752301 in words is "one billion, three hundred ninety million, seven hundred fifty-two thousand, three hundred one".