1420357907 has 16 divisors (see below), whose sum is σ = 1510797312. Its totient is φ = 1333234560.

The previous prime is 1420357889. The next prime is 1420357919. The reversal of 1420357907 is 7097530241.

It is a cyclic number.

It is not a de Polignac number, because 1420357907 - 2⁶ = 1420357843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420357997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160328 + ... + 168954.

It is an arithmetic number, because the mean of its divisors is an integer number (94424832).

Almost surely, 2^1420357907 is an apocalyptic number.

1420357907 is a deficient number, since it is larger than the sum of its proper divisors (90439405).

1420357907 is a wasteful number, since it uses less digits than its factorization.

1420357907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1420357907 is about 37687.6359964379. The cubic root of 1420357907 is about 1124.0852895919.

The spelling of 1420357907 in words is "one billion, four hundred twenty million, three hundred fifty-seven thousand, nine hundred seven".