69389142 has 16 divisors (see below), whose sum is σ = 138860400. Its totient is φ = 23116032.

The previous prime is 69389107. The next prime is 69389149. The reversal of 69389142 is 24198396.

It is a junction number, because it is equal to n+sod(n) for n = 69389094 and 69389103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69389149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16398 + ... + 20190.

It is an arithmetic number, because the mean of its divisors is an integer number (8678775).

Almost surely, 2^69389142 is an apocalyptic number.

69389142 is an abundant number, since it is smaller than the sum of its proper divisors (69471258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69389142 is a wasteful number, since it uses less digits than its factorization.

69389142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847.

The product of its digits is 93312, while the sum is 42.

The square root of 69389142 is about 8330.0145257977. The cubic root of 69389142 is about 410.9262067005.

The spelling of 69389142 in words is "sixty-nine million, three hundred eighty-nine thousand, one hundred forty-two".