148315067591 has 4 divisors (see below), whose sum is σ = 156121123800. Its totient is φ = 140509011384.

The previous prime is 148315067569. The next prime is 148315067609. The reversal of 148315067591 is 195760513841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148315067591 - 2²² = 148310873287 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 (148315067191) 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, 3903028076 + ... + 3903028113.

It is an arithmetic number, because the mean of its divisors is an integer number (39030280950).

Almost surely, 2^148315067591 is an apocalyptic number.

148315067591 is a deficient number, since it is larger than the sum of its proper divisors (7806056209).

148315067591 is an equidigital number, since it uses as much as digits as its factorization.

148315067591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806056208.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 148315067591 in words is "one hundred forty-eight billion, three hundred fifteen million, sixty-seven thousand, five hundred ninety-one".