131200535 has 4 divisors (see below), whose sum is σ = 157440648. Its totient is φ = 104960424.

The previous prime is 131200519. The next prime is 131200541. The reversal of 131200535 is 535002131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535002131 = 457 ⋅1170683.

It is a cyclic number.

It is not a de Polignac number, because 131200535 - 2⁴ = 131200519 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 13120049 + ... + 13120058.

It is an arithmetic number, because the mean of its divisors is an integer number (39360162).

Almost surely, 2^131200535 is an apocalyptic number.

131200535 is a deficient number, since it is larger than the sum of its proper divisors (26240113).

131200535 is an equidigital number, since it uses as much as digits as its factorization.

131200535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26240112.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 131200535 is about 11454.2802043603. The cubic root of 131200535 is about 508.1343277877.

Adding to 131200535 its reverse (535002131), we get a palindrome (666202666).

The spelling of 131200535 in words is "one hundred thirty-one million, two hundred thousand, five hundred thirty-five".