140903664 has 40 divisors (see below), whose sum is σ = 397093632. Its totient is φ = 42697920.

The previous prime is 140903657. The next prime is 140903669. The reversal of 140903664 is 466309041.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140903669) 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, 132904 + ... + 133959.

Almost surely, 2^140903664 is an apocalyptic number.

It is an amenable number.

140903664 is an abundant number, since it is smaller than the sum of its proper divisors (256189968).

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

140903664 is a wasteful number, since it uses less digits than its factorization.

140903664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266885 (or 266879 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 140903664 is about 11870.2849165469. The cubic root of 140903664 is about 520.3642221469.

The spelling of 140903664 in words is "one hundred forty million, nine hundred three thousand, six hundred sixty-four".