242513135 has 16 divisors (see below), whose sum is σ = 295626240. Its totient is φ = 190955040.

The previous prime is 242513123. The next prime is 242513137. The reversal of 242513135 is 531315242.

It is a happy number.

It is not a de Polignac number, because 242513135 - 2⁶ = 242513071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242513137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128126 + ... + 130004.

It is an arithmetic number, because the mean of its divisors is an integer number (18476640).

Almost surely, 2^242513135 is an apocalyptic number.

242513135 is a deficient number, since it is larger than the sum of its proper divisors (53113105).

242513135 is a wasteful number, since it uses less digits than its factorization.

242513135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278.

The product of its digits is 3600, while the sum is 26.

The square root of 242513135 is about 15572.8332361199. The cubic root of 242513135 is about 623.6081110667.

Adding to 242513135 its reverse (531315242), we get a palindrome (773828377).

The spelling of 242513135 in words is "two hundred forty-two million, five hundred thirteen thousand, one hundred thirty-five".