136880831 has 2 divisors, whose sum is σ = 136880832. Its totient is φ = 136880830.

The previous prime is 136880819. The next prime is 136880839. The reversal of 136880831 is 138088631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136880831 - 2¹⁴ = 136864447 is a prime.

It is a super-2 number, since 2×136880831² = 37472723790501122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136880839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68440415 + 68440416.

It is an arithmetic number, because the mean of its divisors is an integer number (68440416).

Almost surely, 2^136880831 is an apocalyptic number.

136880831 is a deficient number, since it is larger than the sum of its proper divisors (1).

136880831 is an equidigital number, since it uses as much as digits as its factorization.

136880831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 136880831 is about 11699.6081558315. The cubic root of 136880831 is about 515.3641575620.

The spelling of 136880831 in words is "one hundred thirty-six million, eight hundred eighty thousand, eight hundred thirty-one".