25936138 has 8 divisors (see below), whose sum is σ = 39809088. Its totient is φ = 12666444.

The previous prime is 25936129. The next prime is 25936139. The reversal of 25936138 is 83163952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25936097 and 25936106.

It is not an unprimeable number, because it can be changed into a prime (25936139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150706 + ... + 150877.

It is an arithmetic number, because the mean of its divisors is an integer number (4976136).

Almost surely, 2^25936138 is an apocalyptic number.

25936138 is a deficient number, since it is larger than the sum of its proper divisors (13872950).

25936138 is a wasteful number, since it uses less digits than its factorization.

25936138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301628.

The product of its digits is 38880, while the sum is 37.

The square root of 25936138 is about 5092.7534792095. The cubic root of 25936138 is about 296.0068555145.

The spelling of 25936138 in words is "twenty-five million, nine hundred thirty-six thousand, one hundred thirty-eight".