140630880 has 192 divisors, whose sum is σ = 493129728. Its totient is φ = 33454080.

The previous prime is 140630869. The next prime is 140630921. The reversal of 140630880 is 88036041.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 193077 + ... + 193803.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 2^140630880 is an apocalyptic number.

140630880 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 140630880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246564864).

140630880 is an abundant number, since it is smaller than the sum of its proper divisors (352498848).

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

140630880 is a wasteful number, since it uses less digits than its factorization.

140630880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 140630880 is about 11858.7891456084. The cubic root of 140630880 is about 520.0282035985.

The spelling of 140630880 in words is "one hundred forty million, six hundred thirty thousand, eight hundred eighty".