140985318 has 32 divisors (see below), whose sum is σ = 306634464. Its totient is φ = 43034112.

The previous prime is 140985307. The next prime is 140985323. The reversal of 140985318 is 813589041.

140985318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140985318² = 39753719783122248, 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 15 ways as a sum of consecutive naturals, for example, 14905 + ... + 22452.

It is an arithmetic number, because the mean of its divisors is an integer number (9582327).

Almost surely, 2^140985318 is an apocalyptic number.

140985318 is an abundant number, since it is smaller than the sum of its proper divisors (165649146).

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

140985318 is a wasteful number, since it uses less digits than its factorization.

140985318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37416.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 140985318 is about 11873.7238472183. The cubic root of 140985318 is about 520.4647201609.

The spelling of 140985318 in words is "one hundred forty million, nine hundred eighty-five thousand, three hundred eighteen".