140742980 has 96 divisors (see below), whose sum is σ = 356590080. Its totient is φ = 45619200.

The previous prime is 140742967. The next prime is 140742989. The reversal of 140742980 is 89247041.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 140742980.

It is not an unprimeable number, because it can be changed into a prime (140742989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350780 + ... + 351180.

It is an arithmetic number, because the mean of its divisors is an integer number (3714480).

Almost surely, 2^140742980 is an apocalyptic number.

140742980 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 140742980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178295040).

140742980 is an abundant number, since it is smaller than the sum of its proper divisors (215847100).

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

140742980 is a wasteful number, since it uses less digits than its factorization.

140742980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 140742980 is about 11863.5146562897. The cubic root of 140742980 is about 520.1663422468.

The spelling of 140742980 in words is "one hundred forty million, seven hundred forty-two thousand, nine hundred eighty".