148133478409 has 4 divisors (see below), whose sum is σ = 169295403904. Its totient is φ = 126971552916.

The previous prime is 148133478407. The next prime is 148133478469. The reversal of 148133478409 is 904874331841.

It is a happy number.

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 148133478409 - 2¹ = 148133478407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148133478401) 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, 10580962737 + ... + 10580962750.

It is an arithmetic number, because the mean of its divisors is an integer number (42323850976).

Almost surely, 2^148133478409 is an apocalyptic number.

It is an amenable number.

148133478409 is a deficient number, since it is larger than the sum of its proper divisors (21161925495).

148133478409 is an equidigital number, since it uses as much as digits as its factorization.

148133478409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21161925494.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 148133478409 in words is "one hundred forty-eight billion, one hundred thirty-three million, four hundred seventy-eight thousand, four hundred nine".