140743980 has 240 divisors, whose sum is σ = 490067424. Its totient is φ = 33592320.

The previous prime is 140743973. The next prime is 140744017. The reversal of 140743980 is 89347041.

It is a happy number.

140743980 is a `hidden beast` number, since 140 + 7 + 439 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 863379 + ... + 863541.

Almost surely, 2^140743980 is an apocalyptic number.

140743980 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 140743980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245033712).

140743980 is an abundant number, since it is smaller than the sum of its proper divisors (349323444).

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

140743980 is a wasteful number, since it uses less digits than its factorization.

140743980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 140743980 is about 11863.5568022411. The cubic root of 140743980 is about 520.1675741972.

The spelling of 140743980 in words is "one hundred forty million, seven hundred forty-three thousand, nine hundred eighty".