1348987953 has 4 divisors (see below), whose sum is σ = 1798650608. Its totient is φ = 899325300.

The previous prime is 1348987943. The next prime is 1348987957. The reversal of 1348987953 is 3597898431.

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 not a de Polignac number, because 1348987953 - 2²⁶ = 1281879089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1348987893 and 1348987902.

It is not an unprimeable number, because it can be changed into a prime (1348987957) 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, 224831323 + ... + 224831328.

It is an arithmetic number, because the mean of its divisors is an integer number (449662652).

Almost surely, 2^1348987953 is an apocalyptic number.

It is an amenable number.

1348987953 is a deficient number, since it is larger than the sum of its proper divisors (449662655).

1348987953 is an equidigital number, since it uses as much as digits as its factorization.

1348987953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449662654.

The product of its digits is 6531840, while the sum is 57.

The square root of 1348987953 is about 36728.5713443907. The cubic root of 1348987953 is about 1104.9332018069.

The spelling of 1348987953 in words is "one billion, three hundred forty-eight million, nine hundred eighty-seven thousand, nine hundred fifty-three".