501442135 has 8 divisors (see below), whose sum is σ = 615724560. Its totient is φ = 391824384.

The previous prime is 501442127. The next prime is 501442157. The reversal of 501442135 is 531244105.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501442135 - 2³ = 501442127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165930 + ... + 1166359.

It is an arithmetic number, because the mean of its divisors is an integer number (76965570).

Almost surely, 2^501442135 is an apocalyptic number.

501442135 is a deficient number, since it is larger than the sum of its proper divisors (114282425).

501442135 is a wasteful number, since it uses less digits than its factorization.

501442135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332337.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 501442135 is about 22392.9036750485. The cubic root of 501442135 is about 794.4628757177.

The spelling of 501442135 in words is "five hundred one million, four hundred forty-two thousand, one hundred thirty-five".