136787748 has 48 divisors (see below), whose sum is σ = 334172160. Its totient is φ = 43495200.

The previous prime is 136787741. The next prime is 136787759. The reversal of 136787748 is 847787631.

It is a self number, because there is not a number n which added to its sum of digits gives 136787748.

It is not an unprimeable number, because it can be changed into a prime (136787741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23823 + ... + 29001.

It is an arithmetic number, because the mean of its divisors is an integer number (6961920).

Almost surely, 2^136787748 is an apocalyptic number.

It is an amenable number.

136787748 is an abundant number, since it is smaller than the sum of its proper divisors (197384412).

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

136787748 is a wasteful number, since it uses less digits than its factorization.

136787748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288 (or 5286 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 51.

The square root of 136787748 is about 11695.6294400943. The cubic root of 136787748 is about 515.2473101318.

The spelling of 136787748 in words is "one hundred thirty-six million, seven hundred eighty-seven thousand, seven hundred forty-eight".