2009156146 has 16 divisors (see below), whose sum is σ = 3115068480. Its totient is φ = 971358480.

The previous prime is 2009156119. The next prime is 2009156153. The reversal of 2009156146 is 6416519002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132366 + ... + 146761.

It is an arithmetic number, because the mean of its divisors is an integer number (194691780).

Almost surely, 2^2009156146 is an apocalyptic number.

2009156146 is a deficient number, since it is larger than the sum of its proper divisors (1105912334).

2009156146 is a wasteful number, since it uses less digits than its factorization.

2009156146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279249.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2009156146 is about 44823.6114787731. The cubic root of 2009156146 is about 1261.8407934733.

The spelling of 2009156146 in words is "two billion, nine million, one hundred fifty-six thousand, one hundred forty-six".