240030136 has 16 divisors (see below), whose sum is σ = 454514040. Its totient is φ = 118826400.

The previous prime is 240030103. The next prime is 240030151. The reversal of 240030136 is 631030042.

240030136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240030136² = 115228932376356992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147726 + ... + 149341.

Almost surely, 2^240030136 is an apocalyptic number.

It is an amenable number.

240030136 is a deficient number, since it is larger than the sum of its proper divisors (214483904).

240030136 is a wasteful number, since it uses less digits than its factorization.

240030136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297174 (or 297170 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 240030136 is about 15492.9059895166. The cubic root of 240030136 is about 621.4725110907.

Adding to 240030136 its reverse (631030042), we get a palindrome (871060178).

The spelling of 240030136 in words is "two hundred forty million, thirty thousand, one hundred thirty-six".