140430534 has 16 divisors (see below), whose sum is σ = 282651888. Its totient is φ = 46511712.

The previous prime is 140430533. The next prime is 140430541. The reversal of 140430534 is 435034041.

140430534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140430533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73597 + ... + 75480.

It is an arithmetic number, because the mean of its divisors is an integer number (17665743).

Almost surely, 2^140430534 is an apocalyptic number.

140430534 is an abundant number, since it is smaller than the sum of its proper divisors (142221354).

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

140430534 is a wasteful number, since it uses less digits than its factorization.

140430534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149239.

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

The square root of 140430534 is about 11850.3389824933. The cubic root of 140430534 is about 519.7811381727.

Adding to 140430534 its reverse (435034041), we get a palindrome (575464575).

The spelling of 140430534 in words is "one hundred forty million, four hundred thirty thousand, five hundred thirty-four".