134021251651 has 8 divisors (see below), whose sum is σ = 153170334560. Its totient is φ = 114872966208.

The previous prime is 134021251649. The next prime is 134021251657. The reversal of 134021251651 is 156152120431.

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

It is not a de Polignac number, because 134021251651 - 2¹ = 134021251649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134021251657) 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, 219415 + ... + 562303.

It is an arithmetic number, because the mean of its divisors is an integer number (19146291820).

Almost surely, 2^134021251651 is an apocalyptic number.

134021251651 is a deficient number, since it is larger than the sum of its proper divisors (19149082909).

134021251651 is an equidigital number, since it uses as much as digits as its factorization.

134021251651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398733.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 134021251651 in words is "one hundred thirty-four billion, twenty-one million, two hundred fifty-one thousand, six hundred fifty-one".