71100142 has 8 divisors (see below), whose sum is σ = 107848800. Its totient is φ = 35150544.

The previous prime is 71100131. The next prime is 71100163. The reversal of 71100142 is 24100117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199542 + ... + 199897.

It is an arithmetic number, because the mean of its divisors is an integer number (13481100).

Almost surely, 2^71100142 is an apocalyptic number.

71100142 is a deficient number, since it is larger than the sum of its proper divisors (36748658).

71100142 is a wasteful number, since it uses less digits than its factorization.

71100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399530.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 71100142 is about 8432.0900137510. The cubic root of 71100142 is about 414.2763641285.

Adding to 71100142 its reverse (24100117), we get a palindrome (95200259).

The spelling of 71100142 in words is "seventy-one million, one hundred thousand, one hundred forty-two".