136144874 has 16 divisors (see below), whose sum is σ = 218256768. Its totient is φ = 63467712.

The previous prime is 136144873. The next prime is 136144903. The reversal of 136144874 is 478441631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136144873) 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, 15074 + ... + 22349.

It is an arithmetic number, because the mean of its divisors is an integer number (13641048).

Almost surely, 2^136144874 is an apocalyptic number.

136144874 is a deficient number, since it is larger than the sum of its proper divisors (82111894).

136144874 is a wasteful number, since it uses less digits than its factorization.

136144874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37549.

The product of its digits is 64512, while the sum is 38.

The square root of 136144874 is about 11668.1135578979. The cubic root of 136144874 is about 514.4388571780.

The spelling of 136144874 in words is "one hundred thirty-six million, one hundred forty-four thousand, eight hundred seventy-four".