139285486 has 8 divisors (see below), whose sum is σ = 209026080. Its totient is φ = 69610128.

The previous prime is 139285483. The next prime is 139285499. The reversal of 139285486 is 684582931.

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

It is a super-2 number, since 2×139285486² = 38800893220512392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139285483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10566 + ... + 19753.

It is an arithmetic number, because the mean of its divisors is an integer number (26128260).

Almost surely, 2^139285486 is an apocalyptic number.

139285486 is a deficient number, since it is larger than the sum of its proper divisors (69740594).

139285486 is a wasteful number, since it uses less digits than its factorization.

139285486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32618.

The product of its digits is 414720, while the sum is 46.

The square root of 139285486 is about 11801.9272155017. The cubic root of 139285486 is about 518.3645436577.

The spelling of 139285486 in words is "one hundred thirty-nine million, two hundred eighty-five thousand, four hundred eighty-six".