134687254477420 has 12 divisors (see below), whose sum is σ = 282843234402624. Its totient is φ = 53874901790960.

The previous prime is 134687254477403. The next prime is 134687254477429. The reversal of 134687254477420 is 24774452786431.

It is not an unprimeable number, because it can be changed into a prime (134687254477429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3367181361916 + ... + 3367181361955.

It is an arithmetic number, because the mean of its divisors is an integer number (23570269533552).

Almost surely, 2^{134687254477420} is an apocalyptic number.

134687254477420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134687254477420 is an abundant number, since it is smaller than the sum of its proper divisors (148155979925204).

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

134687254477420 is a wasteful number, since it uses less digits than its factorization.

134687254477420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734362723880 (or 6734362723878 counting only the distinct ones).

The product of its (nonzero) digits is 252887040, while the sum is 64.

The spelling of 134687254477420 in words is "one hundred thirty-four trillion, six hundred eighty-seven billion, two hundred fifty-four million, four hundred seventy-seven thousand, four hundred twenty".