131140342 has 16 divisors (see below), whose sum is σ = 207087840. Its totient is φ = 62161792.

The previous prime is 131140333. The next prime is 131140393. The reversal of 131140342 is 243041131.

It is a congruent 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, 7417 + ... + 17812.

It is an arithmetic number, because the mean of its divisors is an integer number (12942990).

Almost surely, 2^131140342 is an apocalyptic number.

131140342 is a deficient number, since it is larger than the sum of its proper divisors (75947498).

131140342 is a wasteful number, since it uses less digits than its factorization.

131140342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25367.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 131140342 is about 11451.6523698548. The cubic root of 131140342 is about 508.0566075551.

Adding to 131140342 its reverse (243041131), we get a palindrome (374181473).

The spelling of 131140342 in words is "one hundred thirty-one million, one hundred forty thousand, three hundred forty-two".