131738 has 8 divisors (see below), whose sum is σ = 199200. Its totient is φ = 65340.

The previous prime is 131731. The next prime is 131743. The reversal of 131738 is 837131.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (131731) 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, 233 + ... + 563.

It is an arithmetic number, because the mean of its divisors is an integer number (24900).

2¹³¹⁷³⁸ is an apocalyptic number.

131738 is a deficient number, since it is larger than the sum of its proper divisors (67462).

131738 is a wasteful number, since it uses less digits than its factorization.

131738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532.

The product of its digits is 504, while the sum is 23.

The square root of 131738 is about 362.9572977638. The cubic root of 131738 is about 50.8827242486.

Adding to 131738 its reverse (837131), we get a palindrome (968869).

The spelling of 131738 in words is "one hundred thirty-one thousand, seven hundred thirty-eight".