134621242550 has 24 divisors (see below), whose sum is σ = 250428874800. Its totient is φ = 53841322080.

The previous prime is 134621242501. The next prime is 134621242573. The reversal of 134621242550 is 55242126431.

It is a self number, because there is not a number n which added to its sum of digits gives 134621242550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207911 + ... + 558989.

It is an arithmetic number, because the mean of its divisors is an integer number (10434536450).

Almost surely, 2^134621242550 is an apocalyptic number.

134621242550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134621242550 is a deficient number, since it is larger than the sum of its proper divisors (115807632250).

134621242550 is a wasteful number, since it uses less digits than its factorization.

134621242550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358760 (or 358755 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 134621242550 its reverse (55242126431), we get a palindrome (189863368981).

The spelling of 134621242550 in words is "one hundred thirty-four billion, six hundred twenty-one million, two hundred forty-two thousand, five hundred fifty".