139480 has 32 divisors (see below), whose sum is σ = 343440. Its totient is φ = 50560.

The previous prime is 139459. The next prime is 139483. The reversal of 139480 is 84931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139483) by changing a digit.

139480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282 + ... + 598.

2¹³⁹⁴⁸⁰ is an apocalyptic number.

139480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171720).

139480 is an abundant number, since it is smaller than the sum of its proper divisors (203960).

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

139480 is a wasteful number, since it uses less digits than its factorization.

139480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 139480 is about 373.4702130023. The cubic root of 139480 is about 51.8605732370.

The spelling of 139480 in words is "one hundred thirty-nine thousand, four hundred eighty".