140134434 has 32 divisors (see below), whose sum is σ = 323735616. Its totient is φ = 39966720.

The previous prime is 140134427. The next prime is 140134439. The reversal of 140134434 is 434431041.

It is not an unprimeable number, because it can be changed into a prime (140134439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61327 + ... + 63570.

It is an arithmetic number, because the mean of its divisors is an integer number (10116738).

Almost surely, 2^140134434 is an apocalyptic number.

140134434 is an abundant number, since it is smaller than the sum of its proper divisors (183601182).

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

140134434 is a wasteful number, since it uses less digits than its factorization.

140134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124930.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 140134434 is about 11837.8390764531. The cubic root of 140134434 is about 519.4155588612.

Adding to 140134434 its reverse (434431041), we get a palindrome (574565475).

The spelling of 140134434 in words is "one hundred forty million, one hundred thirty-four thousand, four hundred thirty-four".