7144893136 has 20 divisors (see below), whose sum is σ = 13844542464. Its totient is φ = 3572108000.

The previous prime is 7144893131. The next prime is 7144893143. The reversal of 7144893136 is 6313984417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144893131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309681 + ... + 331951.

Almost surely, 2^7144893136 is an apocalyptic number.

It is an amenable number.

7144893136 is a deficient number, since it is larger than the sum of its proper divisors (6699649328).

7144893136 is a wasteful number, since it uses less digits than its factorization.

7144893136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42330 (or 42324 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 7144893136 is about 84527.4697125142. The cubic root of 7144893136 is about 1926.0397496278.

The spelling of 7144893136 in words is "seven billion, one hundred forty-four million, eight hundred ninety-three thousand, one hundred thirty-six".