131140002 has 16 divisors (see below), whose sum is σ = 299748672. Its totient is φ = 37468560.

The previous prime is 131139991. The next prime is 131140007. The reversal of 131140002 is 200041131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131140002.

It is not an unprimeable number, because it can be changed into a prime (131140007) 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, 1561149 + ... + 1561232.

It is an arithmetic number, because the mean of its divisors is an integer number (18734292).

Almost surely, 2^131140002 is an apocalyptic number.

131140002 is an abundant number, since it is smaller than the sum of its proper divisors (168608670).

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

131140002 is a wasteful number, since it uses less digits than its factorization.

131140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122393.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 131140002 is about 11451.6375248259. The cubic root of 131140002 is about 508.0561684850.

Adding to 131140002 its reverse (200041131), we get a palindrome (331181133).

The spelling of 131140002 in words is "one hundred thirty-one million, one hundred forty thousand, two".