511135142 has 8 divisors (see below), whose sum is σ = 876231696. Its totient is φ = 219057912.

The previous prime is 511135139. The next prime is 511135147. The reversal of 511135142 is 241531115.

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

It is a super-2 number, since 2×511135142² = 522518266774720328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511135147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18254813 + ... + 18254840.

It is an arithmetic number, because the mean of its divisors is an integer number (109528962).

Almost surely, 2^511135142 is an apocalyptic number.

511135142 is a deficient number, since it is larger than the sum of its proper divisors (365096554).

511135142 is a wasteful number, since it uses less digits than its factorization.

511135142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36509662.

The product of its digits is 600, while the sum is 23.

The square root of 511135142 is about 22608.2980783605. The cubic root of 511135142 is about 799.5492992587.

Adding to 511135142 its reverse (241531115), we get a palindrome (752666257).

The spelling of 511135142 in words is "five hundred eleven million, one hundred thirty-five thousand, one hundred forty-two".