140530842 has 32 divisors (see below), whose sum is σ = 312681600. Its totient is φ = 46785024.

The previous prime is 140530829. The next prime is 140530867. The reversal of 140530842 is 248035041.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75163 + ... + 77009.

It is an arithmetic number, because the mean of its divisors is an integer number (9771300).

Almost surely, 2^140530842 is an apocalyptic number.

140530842 is an abundant number, since it is smaller than the sum of its proper divisors (172150758).

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

140530842 is a wasteful number, since it uses less digits than its factorization.

140530842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3261 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140530842 is about 11854.5705109886. The cubic root of 140530842 is about 519.9048667188.

Adding to 140530842 its reverse (248035041), we get a palindrome (388565883).

The spelling of 140530842 in words is "one hundred forty million, five hundred thirty thousand, eight hundred forty-two".