2131738 has 8 divisors (see below), whose sum is σ = 3654432. Its totient is φ = 913596.

The previous prime is 2131721. The next prime is 2131771. The reversal of 2131738 is 8371312.

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

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, 76120 + ... + 76147.

It is an arithmetic number, because the mean of its divisors is an integer number (456804).

2^2131738 is an apocalyptic number.

2131738 is a deficient number, since it is larger than the sum of its proper divisors (1522694).

2131738 is a wasteful number, since it uses less digits than its factorization.

2131738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152276.

The product of its digits is 1008, while the sum is 25.

The square root of 2131738 is about 1460.0472595091. The cubic root of 2131738 is about 128.6998208327.

The spelling of 2131738 in words is "two million, one hundred thirty-one thousand, seven hundred thirty-eight".