140451234 has 96 divisors (see below), whose sum is σ = 365420160. Its totient is φ = 35185920.

The previous prime is 140451221. The next prime is 140451239. The reversal of 140451234 is 432154041.

140451234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140451239) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146902 + ... + 147854.

It is an arithmetic number, because the mean of its divisors is an integer number (3806460).

Almost surely, 2^140451234 is an apocalyptic number.

140451234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140451234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182710080).

140451234 is an abundant number, since it is smaller than the sum of its proper divisors (224968926).

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

140451234 is a wasteful number, since it uses less digits than its factorization.

140451234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140451234 is about 11851.2123430474. The cubic root of 140451234 is about 519.8066761632.

The spelling of 140451234 in words is "one hundred forty million, four hundred fifty-one thousand, two hundred thirty-four".