151138 has 8 divisors (see below), whose sum is σ = 244188. Its totient is φ = 69744.

The previous prime is 151121. The next prime is 151141. The reversal of 151138 is 831151.

It can be written as a sum of positive squares in 2 ways, for example, as 149769 + 1369 = 387^2 + 37^2 .

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

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, 2881 + ... + 2932.

2¹⁵¹¹³⁸ is an apocalyptic number.

151138 is a deficient number, since it is larger than the sum of its proper divisors (93050).

151138 is a wasteful number, since it uses less digits than its factorization.

151138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828.

The product of its digits is 120, while the sum is 19.

The square root of 151138 is about 388.7647103326. The cubic root of 151138 is about 53.2669573566.

Adding to 151138 its reverse (831151), we get a palindrome (982289).

It can be divided in two parts, 151 and 138, that added together give a square (289 = 17²).

The spelling of 151138 in words is "one hundred fifty-one thousand, one hundred thirty-eight".