131849810 has 16 divisors (see below), whose sum is σ = 238084056. Its totient is φ = 52572288.

The previous prime is 131849803. The next prime is 131849821. The reversal of 131849810 is 18948131.

It can be written as a sum of positive squares in 4 ways, for example, as 50651689 + 81198121 = 7117^2 + 9011^2 .

It is a super-2 number, since 2×131849810² = 34768744794072200, which contains 22 as substring.

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, 17627 + ... + 23966.

Almost surely, 2^131849810 is an apocalyptic number.

131849810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131849810 is a deficient number, since it is larger than the sum of its proper divisors (106234246).

131849810 is a wasteful number, since it uses less digits than its factorization.

131849810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41917.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 131849810 is about 11482.5872520090. The cubic root of 131849810 is about 508.9711541042.

The spelling of 131849810 in words is "one hundred thirty-one million, eight hundred forty-nine thousand, eight hundred ten".