4197732142 has 4 divisors (see below), whose sum is σ = 6296598216. Its totient is φ = 2098866070.

The previous prime is 4197732131. The next prime is 4197732163. The reversal of 4197732142 is 2412377914.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 4197732095 and 4197732104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049433034 + ... + 1049433037.

It is an arithmetic number, because the mean of its divisors is an integer number (1574149554).

Almost surely, 2^4197732142 is an apocalyptic number.

4197732142 is a deficient number, since it is larger than the sum of its proper divisors (2098866074).

4197732142 is a wasteful number, since it uses less digits than its factorization.

4197732142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2098866073.

The product of its digits is 84672, while the sum is 40.

The square root of 4197732142 is about 64789.9077171746. The cubic root of 4197732142 is about 1613.1381947671.

The spelling of 4197732142 in words is "four billion, one hundred ninety-seven million, seven hundred thirty-two thousand, one hundred forty-two".