1486357231 has 4 divisors (see below), whose sum is σ = 1486572912. Its totient is φ = 1486141552.

The previous prime is 1486357219. The next prime is 1486357237. The reversal of 1486357231 is 1327536841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1327536841 = 257 ⋅5165513.

It is a cyclic number.

It is not a de Polignac number, because 1486357231 - 2⁵ = 1486357199 is a prime.

It is a super-2 number, since 2×1486357231² = 4418515636291974722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1486357237) 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, 97150 + ... + 111403.

It is an arithmetic number, because the mean of its divisors is an integer number (371643228).

Almost surely, 2^1486357231 is an apocalyptic number.

1486357231 is a deficient number, since it is larger than the sum of its proper divisors (215681).

1486357231 is an equidigital number, since it uses as much as digits as its factorization.

1486357231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215680.

The product of its digits is 120960, while the sum is 40.

The square root of 1486357231 is about 38553.3037624534. The cubic root of 1486357231 is about 1141.2332071379.

The spelling of 1486357231 in words is "one billion, four hundred eighty-six million, three hundred fifty-seven thousand, two hundred thirty-one".