1140157929 has 4 divisors (see below), whose sum is σ = 1520210576. Its totient is φ = 760105284.

The previous prime is 1140157927. The next prime is 1140157937. The reversal of 1140157929 is 9297510411.

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.

It is not a de Polignac number, because 1140157929 - 2¹ = 1140157927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140157927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190026319 + ... + 190026324.

It is an arithmetic number, because the mean of its divisors is an integer number (380052644).

Almost surely, 2^1140157929 is an apocalyptic number.

It is an amenable number.

1140157929 is a deficient number, since it is larger than the sum of its proper divisors (380052647).

1140157929 is an equidigital number, since it uses as much as digits as its factorization.

1140157929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380052646.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1140157929 is about 33766.2246779234. The cubic root of 1140157929 is about 1044.6921642354.

The spelling of 1140157929 in words is "one billion, one hundred forty million, one hundred fifty-seven thousand, nine hundred twenty-nine".