113404278 has 32 divisors (see below), whose sum is σ = 250219872. Its totient is φ = 34041600.

The previous prime is 113404273. The next prime is 113404301. The reversal of 113404278 is 872404311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113404273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14533 + ... + 20928.

It is an arithmetic number, because the mean of its divisors is an integer number (7819371).

Almost surely, 2^113404278 is an apocalyptic number.

113404278 is an abundant number, since it is smaller than the sum of its proper divisors (136815594).

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

113404278 is a wasteful number, since it uses less digits than its factorization.

113404278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35520.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 113404278 is about 10649.1444726795. The cubic root of 113404278 is about 484.0346803691.

Adding to 113404278 its reverse (872404311), we get a palindrome (985808589).

The spelling of 113404278 in words is "one hundred thirteen million, four hundred four thousand, two hundred seventy-eight".