148393636 has 6 divisors (see below), whose sum is σ = 259688870. Its totient is φ = 74196816.

The previous prime is 148393633. The next prime is 148393639. The reversal of 148393636 is 636393841.

It is an interprime number because it is at equal distance from previous prime (148393633) and next prime (148393639).

It can be written as a sum of positive squares in only one way, i.e., 119771136 + 28622500 = 10944^2 + 5350^2 .

It is a junction number, because it is equal to n+sod(n) for n = 148393592 and 148393601.

It is not an unprimeable number, because it can be changed into a prime (148393633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18549201 + ... + 18549208.

Almost surely, 2^148393636 is an apocalyptic number.

It is an amenable number.

148393636 is a deficient number, since it is larger than the sum of its proper divisors (111295234).

148393636 is a wasteful number, since it uses less digits than its factorization.

148393636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37098413 (or 37098411 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 148393636 is about 12181.6926574266. The cubic root of 148393636 is about 529.4257884612.

The spelling of 148393636 in words is "one hundred forty-eight million, three hundred ninety-three thousand, six hundred thirty-six".