136408502 has 4 divisors (see below), whose sum is σ = 204612756. Its totient is φ = 68204250.

The previous prime is 136408499. The next prime is 136408507. The reversal of 136408502 is 205804631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 205804631 = 12647 ⋅16273.

It is a super-3 number, since 3×136408502³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136408507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34102124 + ... + 34102127.

It is an arithmetic number, because the mean of its divisors is an integer number (51153189).

Almost surely, 2^136408502 is an apocalyptic number.

136408502 is a deficient number, since it is larger than the sum of its proper divisors (68204254).

136408502 is an equidigital number, since it uses as much as digits as its factorization.

136408502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68204253.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 136408502 is about 11679.4050362165. The cubic root of 136408502 is about 514.7706925227.

The spelling of 136408502 in words is "one hundred thirty-six million, four hundred eight thousand, five hundred two".