1400136868 has 24 divisors (see below), whose sum is σ = 2753448768. Its totient is φ = 618120096.

The previous prime is 1400136817. The next prime is 1400136883. The reversal of 1400136868 is 8686310041.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 584146 + ... + 586537.

It is an arithmetic number, because the mean of its divisors is an integer number (114727032).

Almost surely, 2^1400136868 is an apocalyptic number.

It is an amenable number.

1400136868 is a deficient number, since it is larger than the sum of its proper divisors (1353311900).

1400136868 is a wasteful number, since it uses less digits than its factorization.

1400136868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170723 (or 1170721 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1400136868 is about 37418.4027986230. The cubic root of 1400136868 is about 1118.7253963025.

The spelling of 1400136868 in words is "one billion, four hundred million, one hundred thirty-six thousand, eight hundred sixty-eight".