115819406 has 4 divisors (see below), whose sum is σ = 173729112. Its totient is φ = 57909702.

The previous prime is 115819399. The next prime is 115819409. The reversal of 115819406 is 604918511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115819409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28954850 + ... + 28954853.

It is an arithmetic number, because the mean of its divisors is an integer number (43432278).

Almost surely, 2^115819406 is an apocalyptic number.

115819406 is a deficient number, since it is larger than the sum of its proper divisors (57909706).

115819406 is an equidigital number, since it uses as much as digits as its factorization.

115819406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57909705.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 115819406 is about 10761.9424826562. The cubic root of 115819406 is about 487.4466736322.

The spelling of 115819406 in words is "one hundred fifteen million, eight hundred nineteen thousand, four hundred six".