2006156234 has 4 divisors (see below), whose sum is σ = 3009234354. Its totient is φ = 1003078116.

The previous prime is 2006156221. The next prime is 2006156237. The reversal of 2006156234 is 4326516002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1652829025 + 353327209 = 40655^2 + 18797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2006156197 and 2006156206.

It is not an unprimeable number, because it can be changed into a prime (2006156237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501539057 + ... + 501539060.

Almost surely, 2^2006156234 is an apocalyptic number.

2006156234 is a deficient number, since it is larger than the sum of its proper divisors (1003078120).

2006156234 is a wasteful number, since it uses less digits than its factorization.

2006156234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003078119.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2006156234 is about 44790.1354541377. The cubic root of 2006156234 is about 1261.2124539031.

The spelling of 2006156234 in words is "two billion, six million, one hundred fifty-six thousand, two hundred thirty-four".