2131132406 has 8 divisors (see below), whose sum is σ = 3442598544. Its totient is φ = 983599560.

The previous prime is 2131132391. The next prime is 2131132411. The reversal of 2131132406 is 6042311312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40983290 + ... + 40983341.

It is an arithmetic number, because the mean of its divisors is an integer number (430324818).

Almost surely, 2^2131132406 is an apocalyptic number.

2131132406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2131132406 is a deficient number, since it is larger than the sum of its proper divisors (1311466138).

2131132406 is a wasteful number, since it uses less digits than its factorization.

2131132406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81966646.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2131132406 is about 46164.1896495541. The cubic root of 2131132406 is about 1286.8763246486.

Adding to 2131132406 its reverse (6042311312), we get a palindrome (8173443718).

The spelling of 2131132406 in words is "two billion, one hundred thirty-one million, one hundred thirty-two thousand, four hundred six".