699142 has 8 divisors (see below), whose sum is σ = 1110456. Its totient is φ = 328992.

The previous prime is 699133. The next prime is 699151. The reversal of 699142 is 241996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (699133) and next prime (699151).

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

It is a congruent number.

It is an unprimeable number.

699142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10248 + ... + 10315.

It is an arithmetic number, because the mean of its divisors is an integer number (138807).

2⁶⁹⁹¹⁴² is an apocalyptic number.

699142 is a deficient number, since it is larger than the sum of its proper divisors (411314).

699142 is a wasteful number, since it uses less digits than its factorization.

699142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582.

The product of its digits is 3888, while the sum is 31.

The square root of 699142 is about 836.1471162421. The cubic root of 699142 is about 88.7541081217.

It can be divided in two parts, 699 and 142, that added together give a square (841 = 29²).

The spelling of 699142 in words is "six hundred ninety-nine thousand, one hundred forty-two".