1493942185 has 8 divisors (see below), whose sum is σ = 1800560520. Its totient is φ = 1189933824.

The previous prime is 1493942183. The next prime is 1493942189. The reversal of 1493942185 is 5812493941.

It can be written as a sum of positive squares in 4 ways, for example, as 240994576 + 1252947609 = 15524^2 + 35397^2 .

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 1493942185 - 2¹ = 1493942183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1493942183) 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, 651232 + ... + 653521.

It is an arithmetic number, because the mean of its divisors is an integer number (225070065).

Almost surely, 2^1493942185 is an apocalyptic number.

It is an amenable number.

1493942185 is a deficient number, since it is larger than the sum of its proper divisors (306618335).

1493942185 is a wasteful number, since it uses less digits than its factorization.

1493942185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304987.

The product of its digits is 311040, while the sum is 46.

The square root of 1493942185 is about 38651.5482872291. The cubic root of 1493942185 is about 1143.1711707402.

The spelling of 1493942185 in words is "one billion, four hundred ninety-three million, nine hundred forty-two thousand, one hundred eighty-five".