136422025 has 24 divisors (see below), whose sum is σ = 179955000. Its totient is φ = 102236160.

The previous prime is 136422017. The next prime is 136422043. The reversal of 136422025 is 520224631.

It can be written as a sum of positive squares in 12 ways, for example, as 1420864 + 135001161 = 1192^2 + 11619^2 .

It is not a de Polignac number, because 136422025 - 2³ = 136422017 is a prime.

It is a super-2 number, since 2×136422025² = 37221937810201250, which contains 22 as substring.

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

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108601 + ... + 109849.

It is an arithmetic number, because the mean of its divisors is an integer number (7498125).

Almost surely, 2^136422025 is an apocalyptic number.

It is an amenable number.

136422025 is a deficient number, since it is larger than the sum of its proper divisors (43532975).

136422025 is a wasteful number, since it uses less digits than its factorization.

136422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1528 counting only the distinct ones).

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

The square root of 136422025 is about 11679.9839469068. The cubic root of 136422025 is about 514.7877027382.

Adding to 136422025 its reverse (520224631), we get a palindrome (656646656).

The spelling of 136422025 in words is "one hundred thirty-six million, four hundred twenty-two thousand, twenty-five".