115640463 has 8 divisors (see below), whose sum is σ = 154849968. Its totient is φ = 76762304.

The previous prime is 115640417. The next prime is 115640489. The reversal of 115640463 is 364046511.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115640463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115640463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115640363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82020 + ... + 83417.

It is an arithmetic number, because the mean of its divisors is an integer number (19356246).

Almost surely, 2^115640463 is an apocalyptic number.

115640463 is a deficient number, since it is larger than the sum of its proper divisors (39209505).

115640463 is a wasteful number, since it uses less digits than its factorization.

115640463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165673.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 115640463 is about 10753.6255746609. The cubic root of 115640463 is about 487.1955063676.

Adding to 115640463 its reverse (364046511), we get a palindrome (479686974).

The spelling of 115640463 in words is "one hundred fifteen million, six hundred forty thousand, four hundred sixty-three".