140233434 has 48 divisors (see below), whose sum is σ = 309687840. Its totient is φ = 42301600.

The previous prime is 140233427. The next prime is 140233447. The reversal of 140233434 is 434332041.

It is a super-2 number, since 2×140233434² = 39330832022864712, which contains 22 as substring.

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, 303964 + ... + 304424.

It is an arithmetic number, because the mean of its divisors is an integer number (6451830).

Almost surely, 2^140233434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140233434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154843920).

140233434 is an abundant number, since it is smaller than the sum of its proper divisors (169454406).

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

140233434 is a wasteful number, since it uses less digits than its factorization.

140233434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 140233434 is about 11842.0198446042. The cubic root of 140233434 is about 519.5378462826.

Adding to 140233434 its reverse (434332041), we get a palindrome (574565475).

The spelling of 140233434 in words is "one hundred forty million, two hundred thirty-three thousand, four hundred thirty-four".