139154 has 8 divisors (see below), whose sum is σ = 213948. Its totient is φ = 67840.

The previous prime is 139133. The next prime is 139169. The reversal of 139154 is 451931.

It is a happy number.

139154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 25 = 373^2 + 5^2 .

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139154.

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, 767 + ... + 930.

2¹³⁹¹⁵⁴ is an apocalyptic number.

139154 is a deficient number, since it is larger than the sum of its proper divisors (74794).

139154 is a wasteful number, since it uses less digits than its factorization.

139154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its digits is 540, while the sum is 23.

The square root of 139154 is about 373.0335105590. The cubic root of 139154 is about 51.8201379640.

The spelling of 139154 in words is "one hundred thirty-nine thousand, one hundred fifty-four".