1153534131 has 12 divisors (see below), whose sum is σ = 1723672080. Its totient is φ = 742504560.

The previous prime is 1153534127. The next prime is 1153534159. The reversal of 1153534131 is 1314353511.

It is a happy number.

1153534131 is a `hidden beast` number, since 115 + 3 + 534 + 13 + 1 = 666.

It is not a de Polignac number, because 1153534131 - 2² = 1153534127 is a prime.

It is a super-2 number, since 2×1153534131² = 2661281982763850322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1153534095 and 1153534104.

It is not an unprimeable number, because it can be changed into a prime (1153534531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2209575 + ... + 2210096.

It is an arithmetic number, because the mean of its divisors is an integer number (143639340).

Almost surely, 2^1153534131 is an apocalyptic number.

1153534131 is a deficient number, since it is larger than the sum of its proper divisors (570137949).

1153534131 is a wasteful number, since it uses less digits than its factorization.

1153534131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419706 (or 4419703 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1153534131 is about 33963.7178618596. The cubic root of 1153534131 is about 1048.7616939328.

Adding to 1153534131 its reverse (1314353511), we get a palindrome (2467887642).

The spelling of 1153534131 in words is "one billion, one hundred fifty-three million, five hundred thirty-four thousand, one hundred thirty-one".