136425254 has 16 divisors (see below), whose sum is σ = 234067200. Its totient is φ = 58419144.

The previous prime is 136425241. The next prime is 136425281. The reversal of 136425254 is 452524631.

It is a super-2 number, since 2×136425254² = 37223699857929032, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136425254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17087 + ... + 23765.

It is an arithmetic number, because the mean of its divisors is an integer number (14629200).

Almost surely, 2^136425254 is an apocalyptic number.

136425254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136425254 is a deficient number, since it is larger than the sum of its proper divisors (97641946).

136425254 is a wasteful number, since it uses less digits than its factorization.

136425254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147.

The product of its digits is 28800, while the sum is 32.

The square root of 136425254 is about 11680.1221740186. The cubic root of 136425254 is about 514.7917642436.

Adding to 136425254 its reverse (452524631), we get a palindrome (588949885).

The spelling of 136425254 in words is "one hundred thirty-six million, four hundred twenty-five thousand, two hundred fifty-four".