148117387 has 4 divisors (see below), whose sum is σ = 161582616. Its totient is φ = 134652160.

The previous prime is 148117381. The next prime is 148117393. The reversal of 148117387 is 783711841.

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

It is an interprime number because it is at equal distance from previous prime (148117381) and next prime (148117393).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148117387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148117381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6732598 + ... + 6732619.

It is an arithmetic number, because the mean of its divisors is an integer number (40395654).

Almost surely, 2^148117387 is an apocalyptic number.

148117387 is a deficient number, since it is larger than the sum of its proper divisors (13465229).

148117387 is a wasteful number, since it uses less digits than its factorization.

148117387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13465228.

The product of its digits is 37632, while the sum is 40.

The square root of 148117387 is about 12170.3486802967. The cubic root of 148117387 is about 529.0970587452.

The spelling of 148117387 in words is "one hundred forty-eight million, one hundred seventeen thousand, three hundred eighty-seven".