131420334 has 16 divisors (see below), whose sum is σ = 269251920. Its totient is φ = 42738240.

The previous prime is 131420327. The next prime is 131420339. The reversal of 131420334 is 433024131.

It is a self number, because there is not a number n which added to its sum of digits gives 131420334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131420339) 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, 266869 + ... + 267360.

It is an arithmetic number, because the mean of its divisors is an integer number (16828245).

Almost surely, 2^131420334 is an apocalyptic number.

131420334 is an abundant number, since it is smaller than the sum of its proper divisors (137831586).

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

131420334 is a wasteful number, since it uses less digits than its factorization.

131420334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534275.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 131420334 is about 11463.8708122519. The cubic root of 131420334 is about 508.4179270008.

Adding to 131420334 its reverse (433024131), we get a palindrome (564444465).

The spelling of 131420334 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred thirty-four".