151139 has 4 divisors (see below), whose sum is σ = 151920. Its totient is φ = 150360.

The previous prime is 151121. The next prime is 151141. The reversal of 151139 is 931151.

151139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 151139 - 2⁸ = 150883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151139.

It is not an unprimeable number, because it can be changed into a prime (151169) 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, 149 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (37980).

2¹⁵¹¹³⁹ is an apocalyptic number.

151139 is a deficient number, since it is larger than the sum of its proper divisors (781).

151139 is an equidigital number, since it uses as much as digits as its factorization.

151139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its digits is 135, while the sum is 20.

The square root of 151139 is about 388.7659964555. The cubic root of 151139 is about 53.2670748361.

The spelling of 151139 in words is "one hundred fifty-one thousand, one hundred thirty-nine".