1140149393 has 4 divisors (see below), whose sum is σ = 1140259440. Its totient is φ = 1140039348.

The previous prime is 1140149383. The next prime is 1140149401. The reversal of 1140149393 is 3939410411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3939410411 = 7951 ⋅495461.

It is a cyclic number.

It is not a de Polignac number, because 1140149393 - 2⁴ = 1140149377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140149383) 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, 37655 + ... + 60812.

It is an arithmetic number, because the mean of its divisors is an integer number (285064860).

Almost surely, 2^1140149393 is an apocalyptic number.

It is an amenable number.

1140149393 is a deficient number, since it is larger than the sum of its proper divisors (110047).

1140149393 is an equidigital number, since it uses as much as digits as its factorization.

1140149393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110046.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1140149393 is about 33766.0982791912. The cubic root of 1140149393 is about 1044.6895571362.

The spelling of 1140149393 in words is "one billion, one hundred forty million, one hundred forty-nine thousand, three hundred ninety-three".