136252398 has 16 divisors (see below), whose sum is σ = 275006160. Its totient is φ = 45000576.

The previous prime is 136252393. The next prime is 136252427. The reversal of 136252398 is 893252631.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136252393) 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, 103515 + ... + 104822.

It is an arithmetic number, because the mean of its divisors is an integer number (17187885).

Almost surely, 2^136252398 is an apocalyptic number.

136252398 is an abundant number, since it is smaller than the sum of its proper divisors (138753762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136252398 is a wasteful number, since it uses less digits than its factorization.

136252398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208451.

The product of its digits is 77760, while the sum is 39.

The square root of 136252398 is about 11672.7202485111. The cubic root of 136252398 is about 514.5742520859.

The spelling of 136252398 in words is "one hundred thirty-six million, two hundred fifty-two thousand, three hundred ninety-eight".