115477133 has 4 divisors (see below), whose sum is σ = 115515360. Its totient is φ = 115438908.

The previous prime is 115477123. The next prime is 115477147. The reversal of 115477133 is 331774511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331774511 = 7121 ⋅46591.

It is a cyclic number.

It is not a de Polignac number, because 115477133 - 2¹⁸ = 115214989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115477133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115477123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14153 + ... + 20766.

It is an arithmetic number, because the mean of its divisors is an integer number (28878840).

Almost surely, 2^115477133 is an apocalyptic number.

It is an amenable number.

115477133 is a deficient number, since it is larger than the sum of its proper divisors (38227).

115477133 is an equidigital number, since it uses as much as digits as its factorization.

115477133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38226.

The product of its digits is 8820, while the sum is 32.

The square root of 115477133 is about 10746.0287083183. The cubic root of 115477133 is about 486.9660274795.

It can be divided in two parts, 1154 and 77133, that added together give a palindrome (78287).

The spelling of 115477133 in words is "one hundred fifteen million, four hundred seventy-seven thousand, one hundred thirty-three".