5131665235 has 8 divisors (see below), whose sum is σ = 6324430896. Its totient is φ = 3994377120.

The previous prime is 5131665229. The next prime is 5131665239. The reversal of 5131665235 is 5325661315.

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

It is not a de Polignac number, because 5131665235 - 2¹⁹ = 5131140947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5131665194 and 5131665203.

It is not an unprimeable number, because it can be changed into a prime (5131665239) 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, 13869181 + ... + 13869550.

It is an arithmetic number, because the mean of its divisors is an integer number (790553862).

Almost surely, 2^5131665235 is an apocalyptic number.

5131665235 is a deficient number, since it is larger than the sum of its proper divisors (1192765661).

5131665235 is a wasteful number, since it uses less digits than its factorization.

5131665235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27738773.

The product of its digits is 81000, while the sum is 37.

The square root of 5131665235 is about 71635.6422111228. The cubic root of 5131665235 is about 1724.8557168406.

The spelling of 5131665235 in words is "five billion, one hundred thirty-one million, six hundred sixty-five thousand, two hundred thirty-five".