136883531 has 2 divisors, whose sum is σ = 136883532. Its totient is φ = 136883530.

The previous prime is 136883503. The next prime is 136883563. The reversal of 136883531 is 135388631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136883531 - 2¹⁰ = 136882507 is a prime.

It is a super-2 number, since 2×136883531² = 37474202118055922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136883501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68441765 + 68441766.

It is an arithmetic number, because the mean of its divisors is an integer number (68441766).

Almost surely, 2^136883531 is an apocalyptic number.

136883531 is a deficient number, since it is larger than the sum of its proper divisors (1).

136883531 is an equidigital number, since it uses as much as digits as its factorization.

136883531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 136883531 is about 11699.7235437424. The cubic root of 136883531 is about 515.3675460912.

The spelling of 136883531 in words is "one hundred thirty-six million, eight hundred eighty-three thousand, five hundred thirty-one".