136433831 has 2 divisors, whose sum is σ = 136433832. Its totient is φ = 136433830.

The previous prime is 136433767. The next prime is 136433863. The reversal of 136433831 is 138334631.

It is an a-pointer prime, because the next prime (136433863) can be obtained adding 136433831 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136433831 - 2⁶ = 136433767 is a prime.

It is a super-2 number, since 2×136433831² = 37228380482673122, 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 (136433431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68216915 + 68216916.

It is an arithmetic number, because the mean of its divisors is an integer number (68216916).

Almost surely, 2^136433831 is an apocalyptic number.

136433831 is a deficient number, since it is larger than the sum of its proper divisors (1).

136433831 is an equidigital number, since it uses as much as digits as its factorization.

136433831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 136433831 is about 11680.4893305032. The cubic root of 136433831 is about 514.8025522669.

The spelling of 136433831 in words is "one hundred thirty-six million, four hundred thirty-three thousand, eight hundred thirty-one".