1400665113 has 24 divisors (see below), whose sum is σ = 2107053000. Its totient is φ = 895501824.

The previous prime is 1400665073. The next prime is 1400665127. The reversal of 1400665113 is 3115660041.

1400665113 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 6 + 651 + 1 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53187849 + 1347477264 = 7293^2 + 36708^2 .

It is not a de Polignac number, because 1400665113 - 2¹⁴ = 1400648729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1400665183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20881 + ... + 56897.

It is an arithmetic number, because the mean of its divisors is an integer number (87793875).

Almost surely, 2^1400665113 is an apocalyptic number.

It is an amenable number.

1400665113 is a deficient number, since it is larger than the sum of its proper divisors (706387887).

1400665113 is a wasteful number, since it uses less digits than its factorization.

1400665113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36201 (or 36198 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1400665113 is about 37425.4607586867. The cubic root of 1400665113 is about 1118.8660698816.

The spelling of 1400665113 in words is "one billion, four hundred million, six hundred sixty-five thousand, one hundred thirteen".