134353144520 has 32 divisors (see below), whose sum is σ = 345479515200. Its totient is φ = 46063935168.

The previous prime is 134353144487. The next prime is 134353144547. The reversal of 134353144520 is 25441353431.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 239916050 + ... + 239916609.

It is an arithmetic number, because the mean of its divisors is an integer number (10796234850).

Almost surely, 2^134353144520 is an apocalyptic number.

134353144520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134353144520 is an abundant number, since it is smaller than the sum of its proper divisors (211126370680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134353144520 is a wasteful number, since it uses less digits than its factorization.

134353144520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479832677 (or 479832673 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 134353144520 its reverse (25441353431), we get a palindrome (159794497951).

The spelling of 134353144520 in words is "one hundred thirty-four billion, three hundred fifty-three million, one hundred forty-four thousand, five hundred twenty".