1140646507 has 32 divisors (see below), whose sum is σ = 1550062080. Its totient is φ = 810501120.

The previous prime is 1140646483. The next prime is 1140646537. The reversal of 1140646507 is 7056460411.

It is not a de Polignac number, because 1140646507 - 2⁷ = 1140646379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140646537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76219 + ... + 89947.

It is an arithmetic number, because the mean of its divisors is an integer number (48439440).

Almost surely, 2^1140646507 is an apocalyptic number.

1140646507 is a deficient number, since it is larger than the sum of its proper divisors (409415573).

1140646507 is a wasteful number, since it uses less digits than its factorization.

1140646507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13843.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1140646507 is about 33773.4586176779. The cubic root of 1140646507 is about 1044.8413659982.

The spelling of 1140646507 in words is "one billion, one hundred forty million, six hundred forty-six thousand, five hundred seven".