148440638027 has 4 divisors (see below), whose sum is σ = 161935241496. Its totient is φ = 134946034560.

The previous prime is 148440637991. The next prime is 148440638053. The reversal of 148440638027 is 720836044841.

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 148440638027 - 2¹² = 148440633931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148440608027) 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, 6747301718 + ... + 6747301739.

It is an arithmetic number, because the mean of its divisors is an integer number (40483810374).

Almost surely, 2^148440638027 is an apocalyptic number.

148440638027 is a deficient number, since it is larger than the sum of its proper divisors (13494603469).

148440638027 is a wasteful number, since it uses less digits than its factorization.

148440638027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13494603468.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 148440638027 in words is "one hundred forty-eight billion, four hundred forty million, six hundred thirty-eight thousand, twenty-seven".