1420134149 has 16 divisors (see below), whose sum is σ = 1748213760. Its totient is φ = 1126770480.

The previous prime is 1420134143. The next prime is 1420134161. The reversal of 1420134149 is 9414310241.

It is a cyclic number.

It is not a de Polignac number, because 1420134149 - 2²⁸ = 1151698693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420134143) 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 15 ways as a sum of consecutive naturals, for example, 137279 + ... + 147260.

It is an arithmetic number, because the mean of its divisors is an integer number (109263360).

Almost surely, 2^1420134149 is an apocalyptic number.

It is an amenable number.

1420134149 is a deficient number, since it is larger than the sum of its proper divisors (328079611).

1420134149 is a wasteful number, since it uses less digits than its factorization.

1420134149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284600.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1420134149 is about 37684.6672932109. The cubic root of 1420134149 is about 1124.0262583942.

The spelling of 1420134149 in words is "one billion, four hundred twenty million, one hundred thirty-four thousand, one hundred forty-nine".