136123302 has 32 divisors (see below), whose sum is σ = 311784192. Its totient is φ = 38811744.

The previous prime is 136123291. The next prime is 136123343. The reversal of 136123302 is 203321631.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 18868 + ... + 25064.

It is an arithmetic number, because the mean of its divisors is an integer number (9743256).

Almost surely, 2^136123302 is an apocalyptic number.

136123302 is an abundant number, since it is smaller than the sum of its proper divisors (175660890).

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

136123302 is a wasteful number, since it uses less digits than its factorization.

136123302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6732.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 136123302 is about 11667.1891216351. The cubic root of 136123302 is about 514.4116849928.

Adding to 136123302 its reverse (203321631), we get a palindrome (339444933).

The spelling of 136123302 in words is "one hundred thirty-six million, one hundred twenty-three thousand, three hundred two".