140781234 has 16 divisors (see below), whose sum is σ = 307159200. Its totient is φ = 42660960.

The previous prime is 140781217. The next prime is 140781247. The reversal of 140781234 is 432187041.

140781234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066459 + ... + 1066590.

It is an arithmetic number, because the mean of its divisors is an integer number (19197450).

Almost surely, 2^140781234 is an apocalyptic number.

140781234 is an abundant number, since it is smaller than the sum of its proper divisors (166377966).

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

140781234 is a wasteful number, since it uses less digits than its factorization.

140781234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133065.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 140781234 is about 11865.1268008395. The cubic root of 140781234 is about 520.2134651198.

The spelling of 140781234 in words is "one hundred forty million, seven hundred eighty-one thousand, two hundred thirty-four".