140639160 has 64 divisors (see below), whose sum is σ = 428856480. Its totient is φ = 36887040.

The previous prime is 140639141. The next prime is 140639189. The reversal of 140639160 is 61936041.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 2287 + ... + 16926.

Almost surely, 2^140639160 is an apocalyptic number.

140639160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140639160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214428240).

140639160 is an abundant number, since it is smaller than the sum of its proper divisors (288217320).

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

140639160 is a wasteful number, since it uses less digits than its factorization.

140639160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19288 (or 19284 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 140639160 is about 11859.1382486250. The cubic root of 140639160 is about 520.0384093916.

The spelling of 140639160 in words is "one hundred forty million, six hundred thirty-nine thousand, one hundred sixty".