1479885131 has 4 divisors (see below), whose sum is σ = 1479972000. Its totient is φ = 1479798264.

The previous prime is 1479885101. The next prime is 1479885137. The reversal of 1479885131 is 1315889741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1315889741 = 43 ⋅30602087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1479885131 is a prime.

It is a super-2 number, since 2×1479885131² = 4380120001909774322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1479885137) 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, 8531 + ... + 55068.

It is an arithmetic number, because the mean of its divisors is an integer number (369993000).

Almost surely, 2^1479885131 is an apocalyptic number.

1479885131 is a deficient number, since it is larger than the sum of its proper divisors (86869).

1479885131 is an equidigital number, since it uses as much as digits as its factorization.

1479885131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86868.

The product of its digits is 241920, while the sum is 47.

The square root of 1479885131 is about 38469.2751556356. The cubic root of 1479885131 is about 1139.5743591555.

The spelling of 1479885131 in words is "one billion, four hundred seventy-nine million, eight hundred eighty-five thousand, one hundred thirty-one".