139054 has 8 divisors (see below), whose sum is σ = 210168. Its totient is φ = 69000.

The previous prime is 139033. The next prime is 139067. The reversal of 139054 is 450931.

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

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, 364 + ... + 640.

It is an arithmetic number, because the mean of its divisors is an integer number (26271).

2¹³⁹⁰⁵⁴ is an apocalyptic number.

139054 is a deficient number, since it is larger than the sum of its proper divisors (71114).

139054 is a wasteful number, since it uses less digits than its factorization.

139054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 139054 is about 372.8994502544. The cubic root of 139054 is about 51.8077218504.

Adding to 139054 its reverse (450931), we get a palindrome (589985).

It can be divided in two parts, 1390 and 54, that added together give a square (1444 = 38²).

The spelling of 139054 in words is "one hundred thirty-nine thousand, fifty-four".