140035434 has 192 divisors, whose sum is σ = 390044160. Its totient is φ = 33022080.

The previous prime is 140035433. The next prime is 140035447. The reversal of 140035434 is 434530041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140035433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2642152 + ... + 2642204.

It is an arithmetic number, because the mean of its divisors is an integer number (2031480).

Almost surely, 2^140035434 is an apocalyptic number.

140035434 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 140035434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195022080).

140035434 is an abundant number, since it is smaller than the sum of its proper divisors (250008726).

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

140035434 is a wasteful number, since it uses less digits than its factorization.

140035434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 140035434 is about 11833.6568312589. The cubic root of 140035434 is about 519.2932138317.

Adding to 140035434 its reverse (434530041), we get a palindrome (574565475).

The spelling of 140035434 in words is "one hundred forty million, thirty-five thousand, four hundred thirty-four".