1420142141 has 16 divisors (see below), whose sum is σ = 1641591360. Its totient is φ = 1214196480.

The previous prime is 1420142131. The next prime is 1420142189. The reversal of 1420142141 is 1412410241.

It is a cyclic number.

It is not a de Polignac number, because 1420142141 - 2¹⁰ = 1420141117 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 (1420142111) 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, 422630 + ... + 425976.

It is an arithmetic number, because the mean of its divisors is an integer number (102599460).

Almost surely, 2^1420142141 is an apocalyptic number.

1420142141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1420142141 is a deficient number, since it is larger than the sum of its proper divisors (221449219).

1420142141 is a wasteful number, since it uses less digits than its factorization.

1420142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1420142141 is about 37684.7733308826. The cubic root of 1420142141 is about 1124.0283669276.

Adding to 1420142141 its reverse (1412410241), we get a palindrome (2832552382).

The spelling of 1420142141 in words is "one billion, four hundred twenty million, one hundred forty-two thousand, one hundred forty-one".