134377197478 has 8 divisors (see below), whose sum is σ = 201585103272. Its totient is φ = 67182163056.

The previous prime is 134377197473. The next prime is 134377197509. The reversal of 134377197478 is 874791773431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134377197473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3191700 + ... + 3233527.

It is an arithmetic number, because the mean of its divisors is an integer number (25198137909).

Almost surely, 2^134377197478 is an apocalyptic number.

134377197478 is a deficient number, since it is larger than the sum of its proper divisors (67207905794).

134377197478 is a wasteful number, since it uses less digits than its factorization.

134377197478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435686.

The product of its digits is 24893568, while the sum is 61.

The spelling of 134377197478 in words is "one hundred thirty-four billion, three hundred seventy-seven million, one hundred ninety-seven thousand, four hundred seventy-eight".