1157106133 has 4 divisors (see below), whose sum is σ = 1176075148. Its totient is φ = 1138137120.

The previous prime is 1157106121. The next prime is 1157106151. The reversal of 1157106133 is 3316017511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3316017511 = 109 ⋅30422179.

It can be written as a sum of positive squares in 2 ways, for example, as 282307204 + 874798929 = 16802^2 + 29577^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157106133 - 2²⁵ = 1123551701 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 (1157106833) 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, 9484416 + ... + 9484537.

It is an arithmetic number, because the mean of its divisors is an integer number (294018787).

Almost surely, 2^1157106133 is an apocalyptic number.

It is an amenable number.

1157106133 is a deficient number, since it is larger than the sum of its proper divisors (18969015).

1157106133 is an equidigital number, since it uses as much as digits as its factorization.

1157106133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18969014.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 1157106133 is about 34016.2627723858. The cubic root of 1157106133 is about 1049.8431006679.

The spelling of 1157106133 in words is "one billion, one hundred fifty-seven million, one hundred six thousand, one hundred thirty-three".