134978046 has 32 divisors (see below), whose sum is σ = 314822400. Its totient is φ = 38564568.

The previous prime is 134978021. The next prime is 134978089. The reversal of 134978046 is 640879431.

134978046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 134977989 and 134978007.

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, 30736 + ... + 34851.

It is an arithmetic number, because the mean of its divisors is an integer number (9838200).

Almost surely, 2^134978046 is an apocalyptic number.

134978046 is an abundant number, since it is smaller than the sum of its proper divisors (179844354).

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

134978046 is an equidigital number, since it uses as much as digits as its factorization.

134978046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65613 (or 65599 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 134978046 is about 11618.0052504722. The cubic root of 134978046 is about 512.9649744866.

The spelling of 134978046 in words is "one hundred thirty-four million, nine hundred seventy-eight thousand, forty-six".