140403764 has 12 divisors (see below), whose sum is σ = 245865984. Its totient is φ = 70156344.

The previous prime is 140403751. The next prime is 140403773. The reversal of 140403764 is 467304041.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902 + ... + 17205.

It is an arithmetic number, because the mean of its divisors is an integer number (20488832).

Almost surely, 2^140403764 is an apocalyptic number.

It is an amenable number.

140403764 is a deficient number, since it is larger than the sum of its proper divisors (105462220).

140403764 is a wasteful number, since it uses less digits than its factorization.

140403764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22774 (or 22772 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 140403764 is about 11849.2094251051. The cubic root of 140403764 is about 519.7481077841.

The spelling of 140403764 in words is "one hundred forty million, four hundred three thousand, seven hundred sixty-four".