909903142 has 16 divisors (see below), whose sum is σ = 1379824992. Its totient is φ = 449971200.

The previous prime is 909903089. The next prime is 909903151. The reversal of 909903142 is 241309909.

It is a super-3 number, since 3×909903142³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261478 + ... + 264934.

It is an arithmetic number, because the mean of its divisors is an integer number (86239062).

Almost surely, 2^909903142 is an apocalyptic number.

909903142 is a deficient number, since it is larger than the sum of its proper divisors (469921850).

909903142 is a wasteful number, since it uses less digits than its factorization.

909903142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 909903142 is about 30164.6008095582. The cubic root of 909903142 is about 969.0177260066.

The spelling of 909903142 in words is "nine hundred nine million, nine hundred three thousand, one hundred forty-two".