69331142 has 4 divisors (see below), whose sum is σ = 103996716. Its totient is φ = 34665570.

The previous prime is 69331139. The next prime is 69331183. The reversal of 69331142 is 24113396.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17332784 + ... + 17332787.

It is an arithmetic number, because the mean of its divisors is an integer number (25999179).

Almost surely, 2^69331142 is an apocalyptic number.

69331142 is a deficient number, since it is larger than the sum of its proper divisors (34665574).

69331142 is a wasteful number, since it uses less digits than its factorization.

69331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34665573.

The product of its digits is 3888, while the sum is 29.

The square root of 69331142 is about 8326.5324115144. The cubic root of 69331142 is about 410.8116817523.

The spelling of 69331142 in words is "sixty-nine million, three hundred thirty-one thousand, one hundred forty-two".