1140318957 has 8 divisors (see below), whose sum is σ = 1521079776. Its totient is φ = 759885392.

The previous prime is 1140318941. The next prime is 1140318961. The reversal of 1140318957 is 7598130411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1140318957 - 2⁴ = 1140318941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140318917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73563 + ... + 87704.

It is an arithmetic number, because the mean of its divisors is an integer number (190134972).

Almost surely, 2^1140318957 is an apocalyptic number.

It is an amenable number.

1140318957 is a deficient number, since it is larger than the sum of its proper divisors (380760819).

1140318957 is a wasteful number, since it uses less digits than its factorization.

1140318957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163627.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1140318957 is about 33768.6090474571. The cubic root of 1140318957 is about 1044.7413436127.

The spelling of 1140318957 in words is "one billion, one hundred forty million, three hundred eighteen thousand, nine hundred fifty-seven".