69091142 has 8 divisors (see below), whose sum is σ = 105056616. Its totient is φ = 34072272.

The previous prime is 69091123. The next prime is 69091159. The reversal of 69091142 is 24119096.

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

It is a junction number, because it is equal to n+sod(n) for n = 69091099 and 69091108.

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, 236468 + ... + 236759.

It is an arithmetic number, because the mean of its divisors is an integer number (13132077).

Almost surely, 2^69091142 is an apocalyptic number.

69091142 is a deficient number, since it is larger than the sum of its proper divisors (35965474).

69091142 is a wasteful number, since it uses less digits than its factorization.

69091142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473302.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 69091142 is about 8312.1081561780. The cubic root of 69091142 is about 410.3371052638.

The spelling of 69091142 in words is "sixty-nine million, ninety-one thousand, one hundred forty-two".