1140899371 has 2 divisors, whose sum is σ = 1140899372. Its totient is φ = 1140899370.

The previous prime is 1140899369. The next prime is 1140899381. The reversal of 1140899371 is 1739980411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140899371 - 2¹ = 1140899369 is a prime.

Together with 1140899369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1140899381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570449685 + 570449686.

It is an arithmetic number, because the mean of its divisors is an integer number (570449686).

Almost surely, 2^1140899371 is an apocalyptic number.

1140899371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140899371 is an equidigital number, since it uses as much as digits as its factorization.

1140899371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 1140899371 is about 33777.2019415463. The cubic root of 1140899371 is about 1044.9185687789.

The spelling of 1140899371 in words is "one billion, one hundred forty million, eight hundred ninety-nine thousand, three hundred seventy-one".