134725690901 has 8 divisors (see below), whose sum is σ = 138028252824. Its totient is φ = 131423918080.

The previous prime is 134725690877. The next prime is 134725690909. The reversal of 134725690901 is 109096527431.

It can be written as a sum of positive squares in 4 ways, for example, as 6626122801 + 128099568100 = 81401^2 + 357910^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134725690901 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 (134725690909) 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, 156035 + ... + 542031.

It is an arithmetic number, because the mean of its divisors is an integer number (17253531603).

Almost surely, 2^134725690901 is an apocalyptic number.

It is an amenable number.

134725690901 is a deficient number, since it is larger than the sum of its proper divisors (3302561923).

134725690901 is an equidigital number, since it uses as much as digits as its factorization.

134725690901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394551.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 134725690901 in words is "one hundred thirty-four billion, seven hundred twenty-five million, six hundred ninety thousand, nine hundred one".