134153129550 has 216 divisors, whose sum is σ = 374916956904. Its totient is φ = 31721536000.

The previous prime is 134153129543. The next prime is 134153129557. The reversal of 134153129550 is 55921351431.

It is an interprime number because it is at equal distance from previous prime (134153129543) and next prime (134153129557).

It is a junction number, because it is equal to n+sod(n) for n = 134153129499 and 134153129508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134153129557) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 30507952 + ... + 30512348.

Almost surely, 2^134153129550 is an apocalyptic number.

134153129550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134153129550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187458478452).

134153129550 is an abundant number, since it is smaller than the sum of its proper divisors (240763827354).

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

134153129550 is a wasteful number, since it uses less digits than its factorization.

134153129550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516 (or 4459 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 134153129550 in words is "one hundred thirty-four billion, one hundred fifty-three million, one hundred twenty-nine thousand, five hundred fifty".