1140466557 has 8 divisors (see below), whose sum is σ = 1573057440. Its totient is φ = 734093360.

The previous prime is 1140466549. The next prime is 1140466589. The reversal of 1140466557 is 7556640411.

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 1140466557 - 2³ = 1140466549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140466057) 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, 6554319 + ... + 6554492.

It is an arithmetic number, because the mean of its divisors is an integer number (196632180).

Almost surely, 2^1140466557 is an apocalyptic number.

It is an amenable number.

1140466557 is a deficient number, since it is larger than the sum of its proper divisors (432590883).

1140466557 is a wasteful number, since it uses less digits than its factorization.

1140466557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13108843.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 1140466557 is about 33770.7944383901. The cubic root of 1140466557 is about 1044.7864178932.

The spelling of 1140466557 in words is "one billion, one hundred forty million, four hundred sixty-six thousand, five hundred fifty-seven".