140859930 has 16 divisors (see below), whose sum is σ = 338063904. Its totient is φ = 37562640.

The previous prime is 140859883. The next prime is 140859947. The reversal of 140859930 is 39958041.

It is a Curzon 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, 2347636 + ... + 2347695.

It is an arithmetic number, because the mean of its divisors is an integer number (21128994).

Almost surely, 2^140859930 is an apocalyptic number.

140859930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140859930 is an abundant number, since it is smaller than the sum of its proper divisors (197203974).

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

140859930 is a wasteful number, since it uses less digits than its factorization.

140859930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695341.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 140859930 is about 11868.4426105534. The cubic root of 140859930 is about 520.3103792986.

The spelling of 140859930 in words is "one hundred forty million, eight hundred fifty-nine thousand, nine hundred thirty".