140743680 has 528 divisors, whose sum is σ = 604863936. Its totient is φ = 27525120.

The previous prime is 140743633. The next prime is 140743703. The reversal of 140743680 is 86347041.

It is a tau number, because it is divible by the number of its divisors (528).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8279032 + ... + 8279048.

Almost surely, 2^140743680 is an apocalyptic number.

140743680 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 140743680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302431968).

140743680 is an abundant number, since it is smaller than the sum of its proper divisors (464120256).

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

140743680 is a wasteful number, since it uses less digits than its factorization.

140743680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 140743680 is about 11863.5441584714. The cubic root of 140743680 is about 520.1672046127.

The spelling of 140743680 in words is "one hundred forty million, seven hundred forty-three thousand, six hundred eighty".