115540436 has 24 divisors (see below), whose sum is σ = 222610080. Its totient is φ = 52034400.

The previous prime is 115540427. The next prime is 115540459. The reversal of 115540436 is 634045511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 115540399 and 115540408.

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, 7250 + ... + 16841.

It is an arithmetic number, because the mean of its divisors is an integer number (9275420).

Almost surely, 2^115540436 is an apocalyptic number.

It is an amenable number.

115540436 is a deficient number, since it is larger than the sum of its proper divisors (107069644).

115540436 is a wasteful number, since it uses less digits than its factorization.

115540436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215 (or 24213 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 115540436 is about 10748.9737184533. The cubic root of 115540436 is about 487.0549939513.

Adding to 115540436 its reverse (634045511), we get a palindrome (749585947).

The spelling of 115540436 in words is "one hundred fifteen million, five hundred forty thousand, four hundred thirty-six".