136147492 has 48 divisors (see below), whose sum is σ = 273257712. Its totient is φ = 58798080.

The previous prime is 136147477. The next prime is 136147493. The reversal of 136147492 is 294741631.

It can be written as a sum of positive squares in 8 ways, for example, as 331776 + 135815716 = 576^2 + 11654^2 .

It is a super-2 number, since 2×136147492² = 37072279155780128, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (136147493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205642 + ... + 206302.

It is an arithmetic number, because the mean of its divisors is an integer number (5692869).

Almost surely, 2^136147492 is an apocalyptic number.

It is an amenable number.

136147492 is an abundant number, since it is smaller than the sum of its proper divisors (137110220).

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

136147492 is a wasteful number, since it uses less digits than its factorization.

136147492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 926 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 136147492 is about 11668.2257434453. The cubic root of 136147492 is about 514.4421546269.

The spelling of 136147492 in words is "one hundred thirty-six million, one hundred forty-seven thousand, four hundred ninety-two".