136739426 has 16 divisors (see below), whose sum is σ = 207304704. Its totient is φ = 67641504.

The previous prime is 136739423. The next prime is 136739431. The reversal of 136739426 is 624937631.

It is not an unprimeable number, because it can be changed into a prime (136739423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104291 + ... + 105593.

It is an arithmetic number, because the mean of its divisors is an integer number (12956544).

Almost surely, 2^136739426 is an apocalyptic number.

136739426 is a deficient number, since it is larger than the sum of its proper divisors (70565278).

136739426 is a wasteful number, since it uses less digits than its factorization.

136739426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825.

The product of its digits is 163296, while the sum is 41.

The square root of 136739426 is about 11693.5634431939. The cubic root of 136739426 is about 515.1866304455.

The spelling of 136739426 in words is "one hundred thirty-six million, seven hundred thirty-nine thousand, four hundred twenty-six".