136253436 has 48 divisors (see below), whose sum is σ = 367234560. Its totient is φ = 38859520.

The previous prime is 136253417. The next prime is 136253441. The reversal of 136253436 is 634352631.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 136253397 and 136253406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28116 + ... + 32603.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^136253436 is an apocalyptic number.

It is an amenable number.

136253436 is an abundant number, since it is smaller than the sum of its proper divisors (230981124).

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

136253436 is a wasteful number, since it uses less digits than its factorization.

136253436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60754 (or 60752 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 136253436 is about 11672.7647110700. The cubic root of 136253436 is about 514.5755587950.

The spelling of 136253436 in words is "one hundred thirty-six million, two hundred fifty-three thousand, four hundred thirty-six".