1140718829 has 4 divisors (see below), whose sum is σ = 1140799680. Its totient is φ = 1140637980.

The previous prime is 1140718823. The next prime is 1140718867. The reversal of 1140718829 is 9288170411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1140718829 - 2⁸ = 1140718573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140718823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13109 + ... + 49530.

It is an arithmetic number, because the mean of its divisors is an integer number (285199920).

Almost surely, 2^1140718829 is an apocalyptic number.

It is an amenable number.

1140718829 is a deficient number, since it is larger than the sum of its proper divisors (80851).

1140718829 is an equidigital number, since it uses as much as digits as its factorization.

1140718829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80850.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1140718829 is about 33774.5292935372. The cubic root of 1140718829 is about 1044.8634480425.

The spelling of 1140718829 in words is "one billion, one hundred forty million, seven hundred eighteen thousand, eight hundred twenty-nine".