134275553621 has 8 divisors (see below), whose sum is σ = 146486149824. Its totient is φ = 122065578720.

The previous prime is 134275553593. The next prime is 134275553653. The reversal of 134275553621 is 126355572431.

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

It is a cyclic number.

It is not a de Polignac number, because 134275553621 - 2²⁶ = 134208444757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134275553681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375440 + ... + 639926.

It is an arithmetic number, because the mean of its divisors is an integer number (18310768728).

Almost surely, 2^134275553621 is an apocalyptic number.

134275553621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134275553621 is a deficient number, since it is larger than the sum of its proper divisors (12210596203).

134275553621 is a wasteful number, since it uses less digits than its factorization.

134275553621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310651.

The product of its digits is 756000, while the sum is 44.

The spelling of 134275553621 in words is "one hundred thirty-four billion, two hundred seventy-five million, five hundred fifty-three thousand, six hundred twenty-one".