50136131 has 2 divisors, whose sum is σ = 50136132. Its totient is φ = 50136130.

The previous prime is 50136091. The next prime is 50136133. The reversal of 50136131 is 13163105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50136131 - 2¹⁴ = 50119747 is a prime.

It is a super-2 number, since 2×50136131² = 5027263263298322, which contains 22 as substring.

Together with 50136133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50136133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25068065 + 25068066.

It is an arithmetic number, because the mean of its divisors is an integer number (25068066).

Almost surely, 2^50136131 is an apocalyptic number.

50136131 is a deficient number, since it is larger than the sum of its proper divisors (1).

50136131 is an equidigital number, since it uses as much as digits as its factorization.

50136131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 50136131 is about 7080.6871841651. The cubic root of 50136131 is about 368.7371874893.

Adding to 50136131 its reverse (13163105), we get a palindrome (63299236).

The spelling of 50136131 in words is "fifty million, one hundred thirty-six thousand, one hundred thirty-one".