140374820 has 48 divisors (see below), whose sum is σ = 305614848. Its totient is φ = 54103680.

The previous prime is 140374807. The next prime is 140374859. The reversal of 140374820 is 28473041.

140374820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230957 + ... + 231563.

It is an arithmetic number, because the mean of its divisors is an integer number (6366976).

Almost surely, 2^140374820 is an apocalyptic number.

140374820 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 140374820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152807424).

140374820 is an abundant number, since it is smaller than the sum of its proper divisors (165240028).

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

140374820 is a wasteful number, since it uses less digits than its factorization.

140374820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 140374820 is about 11847.9880148488. The cubic root of 140374820 is about 519.7123902633.

The spelling of 140374820 in words is "one hundred forty million, three hundred seventy-four thousand, eight hundred twenty".