105020135464 has 16 divisors (see below), whose sum is σ = 200250259200. Its totient is φ = 51620066352.

The previous prime is 105020135461. The next prime is 105020135531. The reversal of 105020135464 is 464531020501.

It is a happy number.

It is a super-2 number, since 2×105020135464² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105020135461) 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, 111249672 + ... + 111250615.

It is an arithmetic number, because the mean of its divisors is an integer number (12515641200).

Almost surely, 2^105020135464 is an apocalyptic number.

It is an amenable number.

105020135464 is a deficient number, since it is larger than the sum of its proper divisors (95230123736).

105020135464 is a wasteful number, since it uses less digits than its factorization.

105020135464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222500352 (or 222500348 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 105020135464 its reverse (464531020501), we get a palindrome (569551155965).

The spelling of 105020135464 in words is "one hundred five billion, twenty million, one hundred thirty-five thousand, four hundred sixty-four".