136425042 has 24 divisors (see below), whose sum is σ = 318325644. Its totient is φ = 41976864.

The previous prime is 136425041. The next prime is 136425053. The reversal of 136425042 is 240524631.

136425042 is a `hidden beast` number, since 13 + 642 + 5 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130850721 + 5574321 = 11439^2 + 2361^2 .

It is a super-2 number, since 2×136425042² = 37223584169403528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136424997 and 136425015.

It is not an unprimeable number, because it can be changed into a prime (136425041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291273 + ... + 291740.

Almost surely, 2^136425042 is an apocalyptic number.

136425042 is an abundant number, since it is smaller than the sum of its proper divisors (181900602).

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

136425042 is a wasteful number, since it uses less digits than its factorization.

136425042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583034 (or 583031 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 136425042 is about 11680.1130987675. The cubic root of 136425042 is about 514.7914975874.

Adding to 136425042 its reverse (240524631), we get a palindrome (376949673).

The spelling of 136425042 in words is "one hundred thirty-six million, four hundred twenty-five thousand, forty-two".