139074 has 16 divisors (see below), whose sum is σ = 299712. Its totient is φ = 42768.

The previous prime is 139067. The next prime is 139079. The reversal of 139074 is 470931.

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (139079) by changing a digit.

139074 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, 814 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (18732).

2¹³⁹⁰⁷⁴ is an apocalyptic number.

139074 is an abundant number, since it is smaller than the sum of its proper divisors (160638).

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

139074 is a wasteful number, since it uses less digits than its factorization.

139074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 139074 is about 372.9262661707. The cubic root of 139074 is about 51.8102055492.

The spelling of 139074 in words is "one hundred thirty-nine thousand, seventy-four".