1310486906 has 4 divisors (see below), whose sum is σ = 1965730362. Its totient is φ = 655243452.

The previous prime is 1310486861. The next prime is 1310486923. The reversal of 1310486906 is 6096840131.

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

It can be written as a sum of positive squares in only one way, i.e., 1005460681 + 305026225 = 31709^2 + 17465^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1310486906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327621725 + ... + 327621728.

Almost surely, 2^1310486906 is an apocalyptic number.

1310486906 is a deficient number, since it is larger than the sum of its proper divisors (655243456).

1310486906 is an equidigital number, since it uses as much as digits as its factorization.

1310486906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655243455.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1310486906 is about 36200.6478671308. The cubic root of 1310486906 is about 1094.3197281447.

The spelling of 1310486906 in words is "one billion, three hundred ten million, four hundred eighty-six thousand, nine hundred six".