1140014551 has 4 divisors (see below), whose sum is σ = 1227707992. Its totient is φ = 1052321112.

The previous prime is 1140014539. The next prime is 1140014567. The reversal of 1140014551 is 1554100411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140014551 - 2⁷ = 1140014423 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 (1140014521) 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, 43846701 + ... + 43846726.

It is an arithmetic number, because the mean of its divisors is an integer number (306926998).

Almost surely, 2^1140014551 is an apocalyptic number.

1140014551 is a deficient number, since it is larger than the sum of its proper divisors (87693441).

1140014551 is an equidigital number, since it uses as much as digits as its factorization.

1140014551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87693440.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1140014551 is about 33764.1015132937. The cubic root of 1140014551 is about 1044.6483714273.

Adding to 1140014551 its reverse (1554100411), we get a palindrome (2694114962).

The spelling of 1140014551 in words is "one billion, one hundred forty million, fourteen thousand, five hundred fifty-one".