136402052 has 12 divisors (see below), whose sum is σ = 249082176. Its totient is φ = 65235720.

The previous prime is 136402027. The next prime is 136402069. The reversal of 136402052 is 250204631.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741224 + ... + 741407.

It is an arithmetic number, because the mean of its divisors is an integer number (20756848).

Almost surely, 2^136402052 is an apocalyptic number.

It is an amenable number.

136402052 is a deficient number, since it is larger than the sum of its proper divisors (112680124).

136402052 is a wasteful number, since it uses less digits than its factorization.

136402052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482658 (or 1482656 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 136402052 is about 11679.1289058731. The cubic root of 136402052 is about 514.7625788464.

Adding to 136402052 its reverse (250204631), we get a palindrome (386606683).

The spelling of 136402052 in words is "one hundred thirty-six million, four hundred two thousand, fifty-two".