134243436540 has 48 divisors (see below), whose sum is σ = 375908486688. Its totient is φ = 35795691264.

The previous prime is 134243436521. The next prime is 134243436581. The reversal of 134243436540 is 45634342431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857374 + ... + 1001786.

It is an arithmetic number, because the mean of its divisors is an integer number (7831426806).

Almost surely, 2^134243436540 is an apocalyptic number.

134243436540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134243436540 is an abundant number, since it is smaller than the sum of its proper divisors (241665050148).

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

134243436540 is a wasteful number, since it uses less digits than its factorization.

134243436540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159918 (or 159916 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 134243436540 its reverse (45634342431), we get a palindrome (179877778971).

The spelling of 134243436540 in words is "one hundred thirty-four billion, two hundred forty-three million, four hundred thirty-six thousand, five hundred forty".