134298780 has 192 divisors, whose sum is σ = 480936960. Its totient is φ = 27187200.

The previous prime is 134298763. The next prime is 134298833. The reversal of 134298780 is 87892431.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189066 + ... + 189774.

It is an arithmetic number, because the mean of its divisors is an integer number (2504880).

Almost surely, 2^134298780 is an apocalyptic number.

134298780 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 134298780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240468480).

134298780 is an abundant number, since it is smaller than the sum of its proper divisors (346638180).

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

134298780 is a wasteful number, since it uses less digits than its factorization.

134298780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 134298780 is about 11588.7350474502. The cubic root of 134298780 is about 512.1030422085.

The spelling of 134298780 in words is "one hundred thirty-four million, two hundred ninety-eight thousand, seven hundred eighty".