1390752299 has 8 divisors (see below), whose sum is σ = 1413640848. Its totient is φ = 1367926560.

The previous prime is 1390752283. The next prime is 1390752313. The reversal of 1390752299 is 9922570931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1390752299 - 2⁴ = 1390752283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1390752229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30029 + ... + 60689.

It is an arithmetic number, because the mean of its divisors is an integer number (176705106).

Almost surely, 2^1390752299 is an apocalyptic number.

1390752299 is a deficient number, since it is larger than the sum of its proper divisors (22888549).

1390752299 is an equidigital number, since it uses as much as digits as its factorization.

1390752299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31405.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 1390752299 is about 37292.7915152513. The cubic root of 1390752299 is about 1116.2203317385.

The spelling of 1390752299 in words is "one billion, three hundred ninety million, seven hundred fifty-two thousand, two hundred ninety-nine".