26307138 has 32 divisors (see below), whose sum is σ = 61814592. Its totient is φ = 7358400.

The previous prime is 26307119. The next prime is 26307163. The reversal of 26307138 is 83170362.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14473 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (1931706).

Almost surely, 2^26307138 is an apocalyptic number.

26307138 is an abundant number, since it is smaller than the sum of its proper divisors (35507454).

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

26307138 is a wasteful number, since it uses less digits than its factorization.

26307138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30690.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 26307138 is about 5129.0484497614. The cubic root of 26307138 is about 297.4115755378.

The spelling of 26307138 in words is "twenty-six million, three hundred seven thousand, one hundred thirty-eight".