136202425 has 12 divisors (see below), whose sum is σ = 169231356. Its totient is φ = 108742400.

The previous prime is 136202411. The next prime is 136202459. The reversal of 136202425 is 524202631.

It can be written as a sum of positive squares in 6 ways, for example, as 36864 + 136165561 = 192^2 + 11669^2 .

It is not a de Polignac number, because 136202425 - 2¹¹ = 136200377 is a prime.

It is a super-2 number, since 2×136202425² = 37102201151761250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136202425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7797 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (14102613).

Almost surely, 2^136202425 is an apocalyptic number.

It is an amenable number.

136202425 is a deficient number, since it is larger than the sum of its proper divisors (33028931).

136202425 is a wasteful number, since it uses less digits than its factorization.

136202425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10988 (or 10983 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 136202425 is about 11670.5794629059. The cubic root of 136202425 is about 514.5113346281.

The spelling of 136202425 in words is "one hundred thirty-six million, two hundred two thousand, four hundred twenty-five".