5256140354 has 8 divisors (see below), whose sum is σ = 8299169040. Its totient is φ = 2489750676.

The previous prime is 5256140347. The next prime is 5256140363. The reversal of 5256140354 is 4530416525.

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

It is a super-2 number, since 2×5256140354² = 55254022841894490632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69159704 + ... + 69159779.

It is an arithmetic number, because the mean of its divisors is an integer number (1037396130).

Almost surely, 2^5256140354 is an apocalyptic number.

5256140354 is a deficient number, since it is larger than the sum of its proper divisors (3043028686).

5256140354 is a wasteful number, since it uses less digits than its factorization.

5256140354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138319504.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5256140354 is about 72499.2438167461. The cubic root of 5256140354 is about 1738.6906468321.

Adding to 5256140354 its reverse (4530416525), we get a palindrome (9786556879).

The spelling of 5256140354 in words is "five billion, two hundred fifty-six million, one hundred forty thousand, three hundred fifty-four".