115420133 has 4 divisors (see below), whose sum is σ = 116006220. Its totient is φ = 114834048.

The previous prime is 115420111. The next prime is 115420147. The reversal of 115420133 is 331024511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331024511 = 2767 ⋅119633.

It can be written as a sum of positive squares in 2 ways, for example, as 64754209 + 50665924 = 8047^2 + 7118^2 .

It is a cyclic number.

It is not a de Polignac number, because 115420133 - 2⁶ = 115420069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115420103) 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, 292748 + ... + 293141.

It is an arithmetic number, because the mean of its divisors is an integer number (29001555).

Almost surely, 2^115420133 is an apocalyptic number.

It is an amenable number.

115420133 is a deficient number, since it is larger than the sum of its proper divisors (586087).

115420133 is an equidigital number, since it uses as much as digits as its factorization.

115420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586086.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 115420133 is about 10743.3762384085. The cubic root of 115420133 is about 486.8858914644.

Adding to 115420133 its reverse (331024511), we get a palindrome (446444644).

The spelling of 115420133 in words is "one hundred fifteen million, four hundred twenty thousand, one hundred thirty-three".