1140256107 has 6 divisors (see below), whose sum is σ = 1647036612. Its totient is φ = 760170732.

The previous prime is 1140256081. The next prime is 1140256109. The reversal of 1140256107 is 7016520411.

It is a happy number.

1140256107 is a `hidden beast` number, since 1 + 1 + 40 + 2 + 5 + 610 + 7 = 666.

It is not a de Polignac number, because 1140256107 - 2⁷ = 1140255979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140256109) 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, 63347553 + ... + 63347570.

It is an arithmetic number, because the mean of its divisors is an integer number (274506102).

Almost surely, 2^1140256107 is an apocalyptic number.

1140256107 is a deficient number, since it is larger than the sum of its proper divisors (506780505).

1140256107 is a wasteful number, since it uses less digits than its factorization.

1140256107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126695129 (or 126695126 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1140256107 is about 33767.6784366352. The cubic root of 1140256107 is about 1044.7221492170.

Adding to 1140256107 its reverse (7016520411), we get a palindrome (8156776518).

The spelling of 1140256107 in words is "one billion, one hundred forty million, two hundred fifty-six thousand, one hundred seven".