1140431153 has 2 divisors, whose sum is σ = 1140431154. Its totient is φ = 1140431152.

The previous prime is 1140431107. The next prime is 1140431203. The reversal of 1140431153 is 3511340411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111022224 + 29408929 = 33332^2 + 5423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140431153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140431653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570215576 + 570215577.

It is an arithmetic number, because the mean of its divisors is an integer number (570215577).

Almost surely, 2^1140431153 is an apocalyptic number.

It is an amenable number.

1140431153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140431153 is an equidigital number, since it uses as much as digits as its factorization.

1140431153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1140431153 is about 33770.2702535825. The cubic root of 1140431153 is about 1044.7756065281.

Adding to 1140431153 its reverse (3511340411), we get a palindrome (4651771564).

The spelling of 1140431153 in words is "one billion, one hundred forty million, four hundred thirty-one thousand, one hundred fifty-three".