1000131402 has 32 divisors (see below), whose sum is σ = 2088789120. Its totient is φ = 318644480.

The previous prime is 1000131397. The next prime is 1000131449. The reversal of 1000131402 is 2041310001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335374 + ... + 338342.

It is an arithmetic number, because the mean of its divisors is an integer number (65274660).

Almost surely, 2^1000131402 is an apocalyptic number.

1000131402 is an abundant number, since it is smaller than the sum of its proper divisors (1088657718).

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

1000131402 is a wasteful number, since it uses less digits than its factorization.

1000131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438.

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

The square root of 1000131402 is about 31624.8541814820. The cubic root of 1000131402 is about 1000.0437987483.

Adding to 1000131402 its reverse (2041310001), we get a palindrome (3041441403).

The spelling of 1000131402 in words is "one billion, one hundred thirty-one thousand, four hundred two".