150139 has 4 divisors (see below), whose sum is σ = 163800. Its totient is φ = 136480.

The previous prime is 150131. The next prime is 150151. The reversal of 150139 is 931051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150139 - 2³ = 150131 is a prime.

It is a Duffinian number.

150139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (150131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6814 + ... + 6835.

It is an arithmetic number, because the mean of its divisors is an integer number (40950).

2¹⁵⁰¹³⁹ is an apocalyptic number.

150139 is a deficient number, since it is larger than the sum of its proper divisors (13661).

150139 is a wasteful number, since it uses less digits than its factorization.

150139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13660.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 150139 is about 387.4777412962. The cubic root of 150139 is about 53.1493355634.

It can be divided in two parts, 1501 and 39, that added together give a triangular number (1540 = T₅₅).

The spelling of 150139 in words is "one hundred fifty thousand, one hundred thirty-nine".