136432699 has 4 divisors (see below), whose sum is σ = 146927536. Its totient is φ = 125937864.

The previous prime is 136432687. The next prime is 136432717. The reversal of 136432699 is 996234631.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 136432699 - 2¹⁹ = 135908411 is a prime.

It is a super-2 number, since 2×136432699² = 37227762712849202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136432099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5247399 + ... + 5247424.

It is an arithmetic number, because the mean of its divisors is an integer number (36731884).

Almost surely, 2^136432699 is an apocalyptic number.

136432699 is a deficient number, since it is larger than the sum of its proper divisors (10494837).

136432699 is a wasteful number, since it uses less digits than its factorization.

136432699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10494836.

The product of its digits is 209952, while the sum is 43.

The square root of 136432699 is about 11680.4408735287. The cubic root of 136432699 is about 514.8011284800.

The spelling of 136432699 in words is "one hundred thirty-six million, four hundred thirty-two thousand, six hundred ninety-nine".