1400857774 has 4 divisors (see below), whose sum is σ = 2101286664. Its totient is φ = 700428886.

The previous prime is 1400857763. The next prime is 1400857813. The reversal of 1400857774 is 4777580041.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1400857774.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 350214442 + ... + 350214445.

It is an arithmetic number, because the mean of its divisors is an integer number (525321666).

Almost surely, 2^1400857774 is an apocalyptic number.

1400857774 is a deficient number, since it is larger than the sum of its proper divisors (700428890).

1400857774 is an equidigital number, since it uses as much as digits as its factorization.

1400857774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700428889.

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 1400857774 is about 37428.0345997489. The cubic root of 1400857774 is about 1118.9173674095.

The spelling of 1400857774 in words is "one billion, four hundred million, eight hundred fifty-seven thousand, seven hundred seventy-four".