7148685147 has 16 divisors (see below), whose sum is σ = 10094585472. Its totient is φ = 4484416640.

The previous prime is 7148685143. The next prime is 7148685149. The reversal of 7148685147 is 7415868417.

It is a cyclic number.

It is not a de Polignac number, because 7148685147 - 2² = 7148685143 is a prime.

It is a super-2 number, since 2×7148685147² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 7148685147.

It is not an unprimeable number, because it can be changed into a prime (7148685143) 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, 250168 + ... + 277274.

It is an arithmetic number, because the mean of its divisors is an integer number (630911592).

Almost surely, 2^7148685147 is an apocalyptic number.

7148685147 is a deficient number, since it is larger than the sum of its proper divisors (2945900325).

7148685147 is a wasteful number, since it uses less digits than its factorization.

7148685147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32298.

The product of its digits is 1505280, while the sum is 51.

The square root of 7148685147 is about 84549.8973801861. The cubic root of 7148685147 is about 1926.3804252257.

The spelling of 7148685147 in words is "seven billion, one hundred forty-eight million, six hundred eighty-five thousand, one hundred forty-seven".