134625908661 has 4 divisors (see below), whose sum is σ = 179501211552. Its totient is φ = 89750605772.

The previous prime is 134625908623. The next prime is 134625908687. The reversal of 134625908661 is 166809526431.

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 134625908661 - 2⁶ = 134625908597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134625904661) 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, 22437651441 + ... + 22437651446.

It is an arithmetic number, because the mean of its divisors is an integer number (44875302888).

Almost surely, 2^134625908661 is an apocalyptic number.

It is an amenable number.

134625908661 is a deficient number, since it is larger than the sum of its proper divisors (44875302891).

134625908661 is an equidigital number, since it uses as much as digits as its factorization.

134625908661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44875302890.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 134625908661 in words is "one hundred thirty-four billion, six hundred twenty-five million, nine hundred eight thousand, six hundred sixty-one".