140503164 has 24 divisors (see below), whose sum is σ = 347125968. Its totient is φ = 44079360.

The previous prime is 140503151. The next prime is 140503177. The reversal of 140503164 is 461305041.

It is an interprime number because it is at equal distance from previous prime (140503151) and next prime (140503177).

It is a super-2 number, since 2×140503164² = 39482278188021792, which contains 22 as substring.

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, 344167 + ... + 344574.

It is an arithmetic number, because the mean of its divisors is an integer number (14463582).

Almost surely, 2^140503164 is an apocalyptic number.

It is an amenable number.

140503164 is an abundant number, since it is smaller than the sum of its proper divisors (206622804).

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

140503164 is a wasteful number, since it uses less digits than its factorization.

140503164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688765 (or 688763 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 140503164 is about 11853.4030556630. The cubic root of 140503164 is about 519.8707321675.

The spelling of 140503164 in words is "one hundred forty million, five hundred three thousand, one hundred sixty-four".