1400857773 has 16 divisors (see below), whose sum is σ = 2140030080. Its totient is φ = 798469056.

The previous prime is 1400857763. The next prime is 1400857813. The reversal of 1400857773 is 3777580041.

It is a happy number.

It is not a de Polignac number, because 1400857773 - 2¹⁴ = 1400841389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400857753) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 75678 + ... + 92351.

It is an arithmetic number, because the mean of its divisors is an integer number (133751880).

Almost surely, 2^1400857773 is an apocalyptic number.

It is an amenable number.

1400857773 is a deficient number, since it is larger than the sum of its proper divisors (739172307).

1400857773 is a wasteful number, since it uses less digits than its factorization.

1400857773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168436.

The product of its (nonzero) digits is 164640, while the sum is 42.

The square root of 1400857773 is about 37428.0345863899. The cubic root of 1400857773 is about 1118.9173671432.

The spelling of 1400857773 in words is "one billion, four hundred million, eight hundred fifty-seven thousand, seven hundred seventy-three".