136412331 has 16 divisors (see below), whose sum is σ = 199756800. Its totient is φ = 82116320.

The previous prime is 136412329. The next prime is 136412359. The reversal of 136412331 is 133214631.

It is a happy number.

It is not a de Polignac number, because 136412331 - 2¹ = 136412329 is a prime.

It is a super-2 number, since 2×136412331² = 37216648097707122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136412231) 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 in 15 ways as a sum of consecutive naturals, for example, 8955 + ... + 18788.

It is an arithmetic number, because the mean of its divisors is an integer number (12484800).

Almost surely, 2^136412331 is an apocalyptic number.

136412331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

136412331 is a deficient number, since it is larger than the sum of its proper divisors (63344469).

136412331 is a wasteful number, since it uses less digits than its factorization.

136412331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27906.

The product of its digits is 1296, while the sum is 24.

The square root of 136412331 is about 11679.5689560874. The cubic root of 136412331 is about 514.7755090322.

Adding to 136412331 its reverse (133214631), we get a palindrome (269626962).

It can be divided in two parts, 1364 and 12331, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 136412331 in words is "one hundred thirty-six million, four hundred twelve thousand, three hundred thirty-one".