1140232131 has 6 divisors (see below), whose sum is σ = 1647001980. Its totient is φ = 760154748.

The previous prime is 1140232129. The next prime is 1140232139. The reversal of 1140232131 is 1312320411.

It is not a de Polignac number, because 1140232131 - 2¹ = 1140232129 is a prime.

It is a super-2 number, since 2×1140232131² = 2600258625129602322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140232139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63346221 + ... + 63346238.

It is an arithmetic number, because the mean of its divisors is an integer number (274500330).

Almost surely, 2^1140232131 is an apocalyptic number.

1140232131 is a deficient number, since it is larger than the sum of its proper divisors (506769849).

1140232131 is a wasteful number, since it uses less digits than its factorization.

1140232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126692465 (or 126692462 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1140232131 is about 33767.3234207273. The cubic root of 1140232131 is about 1044.7148267586.

Adding to 1140232131 its reverse (1312320411), we get a palindrome (2452552542).

The spelling of 1140232131 in words is "one billion, one hundred forty million, two hundred thirty-two thousand, one hundred thirty-one".