7150138825 has 6 divisors (see below), whose sum is σ = 8866172174. Its totient is φ = 5720111040.

The previous prime is 7150138799. The next prime is 7150138909. The reversal of 7150138825 is 5288310517.

It can be written as a sum of positive squares in 3 ways, for example, as 39601849 + 7110536976 = 6293^2 + 84324^2 .

It is not a de Polignac number, because 7150138825 - 2¹⁵ = 7150106057 is a prime.

It is a super-2 number, since 2×7150138825² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143002752 + ... + 143002801.

Almost surely, 2^7150138825 is an apocalyptic number.

It is an amenable number.

7150138825 is a deficient number, since it is larger than the sum of its proper divisors (1716033349).

7150138825 is a wasteful number, since it uses less digits than its factorization.

7150138825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286005563 (or 286005558 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 7150138825 is about 84558.4935118880. The cubic root of 7150138825 is about 1926.5109922224.

The spelling of 7150138825 in words is "seven billion, one hundred fifty million, one hundred thirty-eight thousand, eight hundred twenty-five".