131273606 has 4 divisors (see below), whose sum is σ = 196910412. Its totient is φ = 65636802.

The previous prime is 131273599. The next prime is 131273617. The reversal of 131273606 is 606372131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32818400 + ... + 32818403.

It is an arithmetic number, because the mean of its divisors is an integer number (49227603).

Almost surely, 2^131273606 is an apocalyptic number.

131273606 is a deficient number, since it is larger than the sum of its proper divisors (65636806).

131273606 is an equidigital number, since it uses as much as digits as its factorization.

131273606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65636805.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 131273606 is about 11457.4694413732. The cubic root of 131273606 is about 508.2286439492.

The spelling of 131273606 in words is "one hundred thirty-one million, two hundred seventy-three thousand, six hundred six".