1457253986 has 8 divisors (see below), whose sum is σ = 2188428240. Its totient is φ = 727777908.

The previous prime is 1457253979. The next prime is 1457254013. The reversal of 1457253986 is 6893527541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422396 + ... + 425831.

It is an arithmetic number, because the mean of its divisors is an integer number (273553530).

Almost surely, 2^1457253986 is an apocalyptic number.

1457253986 is a deficient number, since it is larger than the sum of its proper divisors (731174254).

1457253986 is an equidigital number, since it uses as much as digits as its factorization.

1457253986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849088.

The product of its digits is 1814400, while the sum is 50.

The square root of 1457253986 is about 38173.9962016030. The cubic root of 1457253986 is about 1133.7355129924.

The spelling of 1457253986 in words is "one billion, four hundred fifty-seven million, two hundred fifty-three thousand, nine hundred eighty-six".