136499379 has 8 divisors (see below), whose sum is σ = 183801552. Its totient is φ = 90098400.

The previous prime is 136499357. The next prime is 136499381. The reversal of 136499379 is 973994631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136499379 - 2⁹ = 136498867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136499309) 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 in 7 ways as a sum of consecutive naturals, for example, 224944 + ... + 225549.

It is an arithmetic number, because the mean of its divisors is an integer number (22975194).

Almost surely, 2^136499379 is an apocalyptic number.

136499379 is a deficient number, since it is larger than the sum of its proper divisors (47302173).

136499379 is a wasteful number, since it uses less digits than its factorization.

136499379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450597.

The product of its digits is 1102248, while the sum is 51.

The square root of 136499379 is about 11683.2948691711. The cubic root of 136499379 is about 514.8849826408.

The spelling of 136499379 in words is "one hundred thirty-six million, four hundred ninety-nine thousand, three hundred seventy-nine".