140884740 has 72 divisors (see below), whose sum is σ = 431809560. Its totient is φ = 37177344.

The previous prime is 140884721. The next prime is 140884769. The reversal of 140884740 is 47488041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 140138244 = 864^2 + 11838^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 140884695 and 140884704.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13426 + ... + 21494.

It is an arithmetic number, because the mean of its divisors is an integer number (5997355).

Almost surely, 2^140884740 is an apocalyptic number.

140884740 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 140884740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215904780).

140884740 is an abundant number, since it is smaller than the sum of its proper divisors (290924820).

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

140884740 is a wasteful number, since it uses less digits than its factorization.

140884740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181 (or 8176 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 140884740 is about 11869.4877732782. The cubic root of 140884740 is about 520.3409253469.

The spelling of 140884740 in words is "one hundred forty million, eight hundred eighty-four thousand, seven hundred forty".