1348537147 has 4 divisors (see below), whose sum is σ = 1379898520. Its totient is φ = 1317175776.

The previous prime is 1348537139. The next prime is 1348537159. The reversal of 1348537147 is 7417358431.

It is a happy number.

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 1348537147 - 2³ = 1348537139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 31361329 = 1348537147 / (1 + 3 + 4 + 8 + 5 + 3 + 7 + 1 + 4 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1348537117) 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, 15680622 + ... + 15680707.

It is an arithmetic number, because the mean of its divisors is an integer number (344974630).

Almost surely, 2^1348537147 is an apocalyptic number.

1348537147 is a deficient number, since it is larger than the sum of its proper divisors (31361373).

1348537147 is an equidigital number, since it uses as much as digits as its factorization.

1348537147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31361372.

The product of its digits is 282240, while the sum is 43.

The square root of 1348537147 is about 36722.4338381867. The cubic root of 1348537147 is about 1104.8101055720.

The spelling of 1348537147 in words is "one billion, three hundred forty-eight million, five hundred thirty-seven thousand, one hundred forty-seven".