1420655357 has 8 divisors (see below), whose sum is σ = 1552498752. Its totient is φ = 1289260800.

The previous prime is 1420655311. The next prime is 1420655359. The reversal of 1420655357 is 7535560241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1420655357 - 2⁸ = 1420655101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420655357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420655359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105569 + ... + 118262.

It is an arithmetic number, because the mean of its divisors is an integer number (194062344).

Almost surely, 2^1420655357 is an apocalyptic number.

It is an amenable number.

1420655357 is a deficient number, since it is larger than the sum of its proper divisors (131843395).

1420655357 is a wasteful number, since it uses less digits than its factorization.

1420655357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224419.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 1420655357 is about 37691.5820442708. The cubic root of 1420655357 is about 1124.1637524052.

The spelling of 1420655357 in words is "one billion, four hundred twenty million, six hundred fifty-five thousand, three hundred fifty-seven".