101493189 has 16 divisors (see below), whose sum is σ = 171840640. Its totient is φ = 57996000.

The previous prime is 101493187. The next prime is 101493191. The reversal of 101493189 is 981394101.

It is an interprime number because it is at equal distance from previous prime (101493187) and next prime (101493191).

It is not a de Polignac number, because 101493189 - 2¹ = 101493187 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101493187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268312 + ... + 268689.

It is an arithmetic number, because the mean of its divisors is an integer number (10740040).

Almost surely, 2^101493189 is an apocalyptic number.

It is an amenable number.

101493189 is a deficient number, since it is larger than the sum of its proper divisors (70347451).

101493189 is an equidigital number, since it uses as much as digits as its factorization.

101493189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537017 (or 537011 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 101493189 is about 10074.3828098797. The cubic root of 101493189 is about 466.4577354417.

The spelling of 101493189 in words is "one hundred one million, four hundred ninety-three thousand, one hundred eighty-nine".