134464346939840 has 112 divisors (see below), whose sum is σ = 322339211251200. Its totient is φ = 53425314739200.

The previous prime is 134464346939761. The next prime is 134464346939977. The reversal of 134464346939840 is 48939643464431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650428811 + ... + 650635509.

Almost surely, 2^{134464346939840} is an apocalyptic number.

134464346939840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134464346939840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161169605625600).

134464346939840 is an abundant number, since it is smaller than the sum of its proper divisors (187874864311360).

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

134464346939840 is a wasteful number, since it uses less digits than its factorization.

134464346939840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220330 (or 220320 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 68.

The spelling of 134464346939840 in words is "one hundred thirty-four trillion, four hundred sixty-four billion, three hundred forty-six million, nine hundred thirty-nine thousand, eight hundred forty".