8334139531 has 2 divisors, whose sum is σ = 8334139532. Its totient is φ = 8334139530.

The previous prime is 8334139519. The next prime is 8334139547. The reversal of 8334139531 is 1359314338.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8334139531 - 2⁷ = 8334139403 is a prime.

It is a super-2 number, since 2×8334139531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8334139501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167069765 + 4167069766.

It is an arithmetic number, because the mean of its divisors is an integer number (4167069766).

Almost surely, 2^8334139531 is an apocalyptic number.

8334139531 is a deficient number, since it is larger than the sum of its proper divisors (1).

8334139531 is an equidigital number, since it uses as much as digits as its factorization.

8334139531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 40.

The square root of 8334139531 is about 91291.5085372128. The cubic root of 8334139531 is about 2027.4660425103.

The spelling of 8334139531 in words is "eight billion, three hundred thirty-four million, one hundred thirty-nine thousand, five hundred thirty-one".