140424534 has 12 divisors (see below), whose sum is σ = 304253196. Its totient is φ = 46808172.

The previous prime is 140424521. The next prime is 140424547. The reversal of 140424534 is 435424041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140424521) and next prime (140424547).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140424498 and 140424507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3900664 + ... + 3900699.

It is an arithmetic number, because the mean of its divisors is an integer number (25354433).

Almost surely, 2^140424534 is an apocalyptic number.

140424534 is an abundant number, since it is smaller than the sum of its proper divisors (163828662).

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

140424534 is a wasteful number, since it uses less digits than its factorization.

140424534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801371 (or 7801368 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 140424534 is about 11850.0858224740. The cubic root of 140424534 is about 519.7737353875.

Adding to 140424534 its reverse (435424041), we get a palindrome (575848575).

The spelling of 140424534 in words is "one hundred forty million, four hundred twenty-four thousand, five hundred thirty-four".