2131674734 has 24 divisors (see below), whose sum is σ = 3789744408. Its totient is φ = 896335440.

The previous prime is 2131674637. The next prime is 2131674737. The reversal of 2131674734 is 4374761312.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131674737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 200012 + ... + 210399.

It is an arithmetic number, because the mean of its divisors is an integer number (157906017).

Almost surely, 2^2131674734 is an apocalyptic number.

2131674734 is a deficient number, since it is larger than the sum of its proper divisors (1658069674).

2131674734 is a wasteful number, since it uses less digits than its factorization.

2131674734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410480 (or 410473 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 2131674734 is about 46170.0631795106. The cubic root of 2131674734 is about 1286.9854763010.

The spelling of 2131674734 in words is "two billion, one hundred thirty-one million, six hundred seventy-four thousand, seven hundred thirty-four".