131742155 has 8 divisors (see below), whose sum is σ = 158166432. Its totient is φ = 105343168.

The previous prime is 131742109. The next prime is 131742173. The reversal of 131742155 is 551247131.

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

It is a cyclic number.

It is not a de Polignac number, because 131742155 - 2²⁴ = 114964939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8162 + ... + 18168.

It is an arithmetic number, because the mean of its divisors is an integer number (19770804).

Almost surely, 2^131742155 is an apocalyptic number.

131742155 is a deficient number, since it is larger than the sum of its proper divisors (26424277).

131742155 is a wasteful number, since it uses less digits than its factorization.

131742155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645.

The product of its digits is 4200, while the sum is 29.

The square root of 131742155 is about 11477.8985445943. The cubic root of 131742155 is about 508.8325918790.

Adding to 131742155 its reverse (551247131), we get a palindrome (682989286).

The spelling of 131742155 in words is "one hundred thirty-one million, seven hundred forty-two thousand, one hundred fifty-five".