1494139911 has 16 divisors (see below), whose sum is σ = 2301136128. Its totient is φ = 852272000.

The previous prime is 1494139909. The next prime is 1494139937. The reversal of 1494139911 is 1199314941.

It is a cyclic number.

It is not a de Polignac number, because 1494139911 - 2¹ = 1494139909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494139411) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1331115 + ... + 1332236.

It is an arithmetic number, because the mean of its divisors is an integer number (143821008).

Almost surely, 2^1494139911 is an apocalyptic number.

1494139911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1494139911 is a deficient number, since it is larger than the sum of its proper divisors (806996217).

1494139911 is a wasteful number, since it uses less digits than its factorization.

1494139911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663382.

The product of its digits is 34992, while the sum is 42.

The square root of 1494139911 is about 38654.1060044079. The cubic root of 1494139911 is about 1143.2216021188.

The spelling of 1494139911 in words is "one billion, four hundred ninety-four million, one hundred thirty-nine thousand, nine hundred eleven".