8131235374 has 16 divisors (see below), whose sum is σ = 12680828496. Its totient is φ = 3907252800.

The previous prime is 8131235347. The next prime is 8131235407. The reversal of 8131235374 is 4735321318.

It is a super-2 number, since 2×8131235374² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734517 + ... + 745504.

It is an arithmetic number, because the mean of its divisors is an integer number (792551781).

Almost surely, 2^8131235374 is an apocalyptic number.

8131235374 is a deficient number, since it is larger than the sum of its proper divisors (4549593122).

8131235374 is a wasteful number, since it uses less digits than its factorization.

8131235374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480131.

The product of its digits is 60480, while the sum is 37.

The square root of 8131235374 is about 90173.3628850560. The cubic root of 8131235374 is about 2010.8770191559.

The spelling of 8131235374 in words is "eight billion, one hundred thirty-one million, two hundred thirty-five thousand, three hundred seventy-four".