139468 has 24 divisors (see below), whose sum is σ = 296352. Its totient is φ = 56064.

The previous prime is 139459. The next prime is 139483. The reversal of 139468 is 864931.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330 + ... + 622.

It is an arithmetic number, because the mean of its divisors is an integer number (12348).

2¹³⁹⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148176).

139468 is an abundant number, since it is smaller than the sum of its proper divisors (156884).

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

139468 is a wasteful number, since it uses less digits than its factorization.

139468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 139468 is about 373.4541471185. The cubic root of 139468 is about 51.8590859395.

The spelling of 139468 in words is "one hundred thirty-nine thousand, four hundred sixty-eight".