1400989513 has 16 divisors (see below), whose sum is σ = 1753159680. Its totient is φ = 1087635600.

The previous prime is 1400989511. The next prime is 1400989517. The reversal of 1400989513 is 3159890041.

It is a cyclic number.

It is not a de Polignac number, because 1400989513 - 2¹ = 1400989511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400989511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12703 + ... + 54436.

It is an arithmetic number, because the mean of its divisors is an integer number (109572480).

Almost surely, 2^1400989513 is an apocalyptic number.

It is an amenable number.

1400989513 is a deficient number, since it is larger than the sum of its proper divisors (352170167).

1400989513 is a wasteful number, since it uses less digits than its factorization.

1400989513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67428.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1400989513 is about 37429.7944557541. The cubic root of 1400989513 is about 1118.9524412614.

The spelling of 1400989513 in words is "one billion, four hundred million, nine hundred eighty-nine thousand, five hundred thirteen".