131840034 has 16 divisors (see below), whose sum is σ = 263901888. Its totient is φ = 43909712.

The previous prime is 131840017. The next prime is 131840039. The reversal of 131840034 is 430048131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131839986 and 131840013.

It is not an unprimeable number, because it can be changed into a prime (131840039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (16493868).

Almost surely, 2^131840034 is an apocalyptic number.

131840034 is an abundant number, since it is smaller than the sum of its proper divisors (132061854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131840034 is a wasteful number, since it uses less digits than its factorization.

131840034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18489.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 131840034 is about 11482.1615560834. The cubic root of 131840034 is about 508.9585745766.

Adding to 131840034 its reverse (430048131), we get a palindrome (561888165).

The spelling of 131840034 in words is "one hundred thirty-one million, eight hundred forty thousand, thirty-four".