140202434 has 16 divisors (see below), whose sum is σ = 232357248. Its totient is φ = 63108672.

The previous prime is 140202427. The next prime is 140202479. The reversal of 140202434 is 434202041.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88862 + ... + 90425.

It is an arithmetic number, because the mean of its divisors is an integer number (14522328).

Almost surely, 2^140202434 is an apocalyptic number.

140202434 is a deficient number, since it is larger than the sum of its proper divisors (92154814).

140202434 is a wasteful number, since it uses less digits than its factorization.

140202434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179329.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 140202434 is about 11840.7108739298. The cubic root of 140202434 is about 519.4995604528.

Adding to 140202434 its reverse (434202041), we get a palindrome (574404475).

The spelling of 140202434 in words is "one hundred forty million, two hundred two thousand, four hundred thirty-four".