136762728 has 32 divisors (see below), whose sum is σ = 343893600. Its totient is φ = 45322688.

The previous prime is 136762727. The next prime is 136762751. The reversal of 136762728 is 827267631.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 136762728.

It is not an unprimeable number, because it can be changed into a prime (136762721) 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, 12318 + ... + 20621.

It is an arithmetic number, because the mean of its divisors is an integer number (10746675).

Almost surely, 2^136762728 is an apocalyptic number.

It is an amenable number.

136762728 is an abundant number, since it is smaller than the sum of its proper divisors (207130872).

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

136762728 is a wasteful number, since it uses less digits than its factorization.

136762728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33121 (or 33117 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 136762728 is about 11694.5597608461. The cubic root of 136762728 is about 515.2158933956.

The spelling of 136762728 in words is "one hundred thirty-six million, seven hundred sixty-two thousand, seven hundred twenty-eight".