5149139531 has 2 divisors, whose sum is σ = 5149139532. Its totient is φ = 5149139530.

The previous prime is 5149139483. The next prime is 5149139599. The reversal of 5149139531 is 1359319415.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5149139531 - 2¹⁰ = 5149138507 is a prime.

It is a super-2 number, since 2×5149139531² = 53027275819413799922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5149139431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574569765 + 2574569766.

It is an arithmetic number, because the mean of its divisors is an integer number (2574569766).

Almost surely, 2^5149139531 is an apocalyptic number.

5149139531 is a deficient number, since it is larger than the sum of its proper divisors (1).

5149139531 is an equidigital number, since it uses as much as digits as its factorization.

5149139531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 41.

The square root of 5149139531 is about 71757.5050499946. The cubic root of 5149139531 is about 1726.8113193603.

The spelling of 5149139531 in words is "five billion, one hundred forty-nine million, one hundred thirty-nine thousand, five hundred thirty-one".