29142086 has 24 divisors (see below), whose sum is σ = 46597824. Its totient is φ = 13666320.

The previous prime is 29142053. The next prime is 29142107. The reversal of 29142086 is 68024192.

It is a super-2 number, since 2×29142086² = 1698522352862792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130571 + ... + 130793.

It is an arithmetic number, because the mean of its divisors is an integer number (1941576).

Almost surely, 2^29142086 is an apocalyptic number.

29142086 is a deficient number, since it is larger than the sum of its proper divisors (17455738).

29142086 is a wasteful number, since it uses less digits than its factorization.

29142086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 29142086 is about 5398.3410414682. The cubic root of 29142086 is about 307.7326276361.

The spelling of 29142086 in words is "twenty-nine million, one hundred forty-two thousand, eighty-six".