1400133660 has 24 divisors (see below), whose sum is σ = 3920374416. Its totient is φ = 373368960.

The previous prime is 1400133653. The next prime is 1400133689. The reversal of 1400133660 is 663310041.

It is a self number, because there is not a number n which added to its sum of digits gives 1400133660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11667721 + ... + 11667840.

It is an arithmetic number, because the mean of its divisors is an integer number (163348934).

Almost surely, 2^1400133660 is an apocalyptic number.

1400133660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400133660 is an abundant number, since it is smaller than the sum of its proper divisors (2520240756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400133660 is a wasteful number, since it uses less digits than its factorization.

1400133660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23335573 (or 23335571 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1400133660 is about 37418.3599319906. The cubic root of 1400133660 is about 1118.7245418923.

The spelling of 1400133660 in words is "one billion, four hundred million, one hundred thirty-three thousand, six hundred sixty".