136844458 has 16 divisors (see below), whose sum is σ = 217904904. Its totient is φ = 64230400.

The previous prime is 136844437. The next prime is 136844459. The reversal of 136844458 is 854448631.

It can be written as a sum of positive squares in 4 ways, for example, as 136819809 + 24649 = 11697^2 + 157^2 .

It is not an unprimeable number, because it can be changed into a prime (136844459) 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, 8616 + ... + 18652.

Almost surely, 2^136844458 is an apocalyptic number.

136844458 is a deficient number, since it is larger than the sum of its proper divisors (81060446).

136844458 is a wasteful number, since it uses less digits than its factorization.

136844458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10457.

The product of its digits is 368640, while the sum is 43.

The square root of 136844458 is about 11698.0535987830. The cubic root of 136844458 is about 515.3185047096.

The spelling of 136844458 in words is "one hundred thirty-six million, eight hundred forty-four thousand, four hundred fifty-eight".