140723856 has 120 divisors (see below), whose sum is σ = 484760640. Its totient is φ = 37110528.

The previous prime is 140723833. The next prime is 140723857. The reversal of 140723856 is 658327041.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 140723856.

It is not an unprimeable number, because it can be changed into a prime (140723857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7735 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (4039672).

Almost surely, 2^140723856 is an apocalyptic number.

140723856 is a gapful number since it is divisible by the number (16) 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 140723856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242380320).

140723856 is an abundant number, since it is smaller than the sum of its proper divisors (344036784).

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

140723856 is a wasteful number, since it uses less digits than its factorization.

140723856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10773 (or 10764 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 140723856 is about 11862.7086283024. The cubic root of 140723856 is about 520.1427813044.

The spelling of 140723856 in words is "one hundred forty million, seven hundred twenty-three thousand, eight hundred fifty-six".