32136145447 has 6 divisors (see below), whose sum is σ = 37382863128. Its totient is φ = 27545267484.

The previous prime is 32136145441. The next prime is 32136145469. The reversal of 32136145447 is 74454163123.

It is not a de Polignac number, because 32136145447 - 2¹¹ = 32136143399 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 (32136145441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327919803 + ... + 327919900.

It is an arithmetic number, because the mean of its divisors is an integer number (6230477188).

Almost surely, 2^32136145447 is an apocalyptic number.

32136145447 is a deficient number, since it is larger than the sum of its proper divisors (5246717681).

32136145447 is an equidigital number, since it uses as much as digits as its factorization.

32136145447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655839717 (or 655839710 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 32136145447 in words is "thirty-two billion, one hundred thirty-six million, one hundred forty-five thousand, four hundred forty-seven".