1400140088 has 32 divisors (see below), whose sum is σ = 2813456160. Its totient is φ = 651530880.

The previous prime is 1400140087. The next prime is 1400140117. The reversal of 1400140088 is 8800410041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400140087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96023 + ... + 109638.

It is an arithmetic number, because the mean of its divisors is an integer number (87920505).

Almost surely, 2^1400140088 is an apocalyptic number.

It is an amenable number.

1400140088 is an abundant number, since it is smaller than the sum of its proper divisors (1413316072).

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

1400140088 is a wasteful number, since it uses less digits than its factorization.

1400140088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205727 (or 205723 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 1400140088 is about 37418.4458255551. The cubic root of 1400140088 is about 1118.7262539075.

The spelling of 1400140088 in words is "one billion, four hundred million, one hundred forty thousand, eighty-eight".