131605034 has 16 divisors (see below), whose sum is σ = 224717760. Its totient is φ = 57219360.

The previous prime is 131605027. The next prime is 131605051. The reversal of 131605034 is 430506131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129539 + ... + 130550.

It is an arithmetic number, because the mean of its divisors is an integer number (14044860).

Almost surely, 2^131605034 is an apocalyptic number.

131605034 is a deficient number, since it is larger than the sum of its proper divisors (93112726).

131605034 is a wasteful number, since it uses less digits than its factorization.

131605034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260125.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 131605034 is about 11471.9237270826. The cubic root of 131605034 is about 508.6559947611.

The spelling of 131605034 in words is "one hundred thirty-one million, six hundred five thousand, thirty-four".