134187905401 has 4 divisors (see below), whose sum is σ = 146386805904. Its totient is φ = 121989004900.

The previous prime is 134187905387. The next prime is 134187905431. The reversal of 134187905401 is 104509781431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134187905401 - 2¹³ = 134187897209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134187905431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6099450235 + ... + 6099450256.

It is an arithmetic number, because the mean of its divisors is an integer number (36596701476).

Almost surely, 2^134187905401 is an apocalyptic number.

134187905401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134187905401 is a deficient number, since it is larger than the sum of its proper divisors (12198900503).

134187905401 is a wasteful number, since it uses less digits than its factorization.

134187905401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198900502.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 134187905401 in words is "one hundred thirty-four billion, one hundred eighty-seven million, nine hundred five thousand, four hundred one".