252998302139 has 36 divisors (see below), whose sum is σ = 295976339784. Its totient is φ = 216202219200.

The previous prime is 252998302129. The next prime is 252998302237. The reversal of 252998302139 is 931203899252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 252998302139 - 2³⁶ = 184278825403 is a prime.

It is a super-3 number, since 3×252998302139³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252998302129) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 311958044 + ... + 311958854.

It is an arithmetic number, because the mean of its divisors is an integer number (8221564994).

Almost surely, 2^252998302139 is an apocalyptic number.

252998302139 is a deficient number, since it is larger than the sum of its proper divisors (42978037645).

252998302139 is an frugal number, since it uses more digits than its factorization.

252998302139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 252998302139 in words is "two hundred fifty-two billion, nine hundred ninety-eight million, three hundred two thousand, one hundred thirty-nine".