146407636 has 6 divisors (see below), whose sum is σ = 256213370. Its totient is φ = 73203816.

The previous prime is 146407633. The next prime is 146407643. The reversal of 146407636 is 636704641.

It can be written as a sum of positive squares in only one way, i.e., 141372100 + 5035536 = 11890^2 + 2244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 146407595 and 146407604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146407633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18300951 + ... + 18300958.

Almost surely, 2^146407636 is an apocalyptic number.

It is an amenable number.

146407636 is a deficient number, since it is larger than the sum of its proper divisors (109805734).

146407636 is a wasteful number, since it uses less digits than its factorization.

146407636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36601913 (or 36601911 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 146407636 is about 12099.9023136553. The cubic root of 146407636 is about 527.0533475683.

The spelling of 146407636 in words is "one hundred forty-six million, four hundred seven thousand, six hundred thirty-six".