1140749054 has 4 divisors (see below), whose sum is σ = 1711123584. Its totient is φ = 570374526.

The previous prime is 1140749047. The next prime is 1140749059. The reversal of 1140749054 is 4509470411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4509470411 = 8147 ⋅553513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140749059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285187262 + ... + 285187265.

It is an arithmetic number, because the mean of its divisors is an integer number (427780896).

Almost surely, 2^1140749054 is an apocalyptic number.

1140749054 is a deficient number, since it is larger than the sum of its proper divisors (570374530).

1140749054 is an equidigital number, since it uses as much as digits as its factorization.

1140749054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570374529.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1140749054 is about 33774.9767431452. The cubic root of 1140749054 is about 1044.8726763519.

The spelling of 1140749054 in words is "one billion, one hundred forty million, seven hundred forty-nine thousand, fifty-four".