2131677726 has 8 divisors (see below), whose sum is σ = 4263355464. Its totient is φ = 710559240.

The previous prime is 2131677677. The next prime is 2131677731. The reversal of 2131677726 is 6277761312.

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

2131677726 is an admirable number.

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, 177639805 + ... + 177639816.

It is an arithmetic number, because the mean of its divisors is an integer number (532919433).

Almost surely, 2^2131677726 is an apocalyptic number.

2131677726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2131677726 is a wasteful number, since it uses less digits than its factorization.

2131677726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355279626.

The product of its digits is 148176, while the sum is 42.

The square root of 2131677726 is about 46170.0955814475. The cubic root of 2131677726 is about 1286.9860784346.

The spelling of 2131677726 in words is "two billion, one hundred thirty-one million, six hundred seventy-seven thousand, seven hundred twenty-six".