134400012450 has 48 divisors (see below), whose sum is σ = 363613129056. Its totient is φ = 32581820800.

The previous prime is 134400012419. The next prime is 134400012503. The reversal of 134400012450 is 54210004431.

It is a self number, because there is not a number n which added to its sum of digits gives 134400012450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40725627 + ... + 40728926.

It is an arithmetic number, because the mean of its divisors is an integer number (7575273522).

Almost surely, 2^134400012450 is an apocalyptic number.

134400012450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134400012450 is an abundant number, since it is smaller than the sum of its proper divisors (229213116606).

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

134400012450 is a wasteful number, since it uses less digits than its factorization.

134400012450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81454579 (or 81454574 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 134400012450 its reverse (54210004431), we get a palindrome (188610016881).

The spelling of 134400012450 in words is "one hundred thirty-four billion, four hundred million, twelve thousand, four hundred fifty".