134821335425 has 36 divisors (see below), whose sum is σ = 195394944816. Its totient is φ = 92010592800.

The previous prime is 134821335403. The next prime is 134821335431. The reversal of 134821335425 is 524533128431.

It is not a de Polignac number, because 134821335425 - 2¹² = 134821331329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2327 + ... + 519276.

It is an arithmetic number, because the mean of its divisors is an integer number (5427637356).

Almost surely, 2^134821335425 is an apocalyptic number.

It is an amenable number.

134821335425 is a deficient number, since it is larger than the sum of its proper divisors (60573609391).

134821335425 is a wasteful number, since it uses less digits than its factorization.

134821335425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521838 (or 521826 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 134821335425 in words is "one hundred thirty-four billion, eight hundred twenty-one million, three hundred thirty-five thousand, four hundred twenty-five".