2106271390 has 8 divisors (see below), whose sum is σ = 3791288520. Its totient is φ = 842508552.

The previous prime is 2106271381. The next prime is 2106271397. The reversal of 2106271390 is 931726012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106271397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105313560 + ... + 105313579.

It is an arithmetic number, because the mean of its divisors is an integer number (473911065).

Almost surely, 2^2106271390 is an apocalyptic number.

2106271390 is a deficient number, since it is larger than the sum of its proper divisors (1685017130).

2106271390 is a wasteful number, since it uses less digits than its factorization.

2106271390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210627146.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2106271390 is about 45894.1324136321. The cubic root of 2106271390 is about 1281.8526618234.

The spelling of 2106271390 in words is "two billion, one hundred six million, two hundred seventy-one thousand, three hundred ninety".