1494140633 has 8 divisors (see below), whose sum is σ = 1513663200. Its totient is φ = 1474679008.

The previous prime is 1494140597. The next prime is 1494140653. The reversal of 1494140633 is 3360414941.

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

It is a cyclic number.

It is not a de Polignac number, because 1494140633 - 2⁸ = 1494140377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1494140593 and 1494140602.

It is not an unprimeable number, because it can be changed into a prime (1494140653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35198 + ... + 65016.

It is an arithmetic number, because the mean of its divisors is an integer number (189207900).

Almost surely, 2^1494140633 is an apocalyptic number.

It is an amenable number.

1494140633 is a deficient number, since it is larger than the sum of its proper divisors (19522567).

1494140633 is an equidigital number, since it uses as much as digits as its factorization.

1494140633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30471.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 1494140633 is about 38654.1153436474. The cubic root of 1494140633 is about 1143.2217862617.

The spelling of 1494140633 in words is "one billion, four hundred ninety-four million, one hundred forty thousand, six hundred thirty-three".