1420051536 has 60 divisors (see below), whose sum is σ = 3980348788. Its totient is φ = 472614912.

The previous prime is 1420051519. The next prime is 1420051537. The reversal of 1420051536 is 6351500241.

1420051536 is a `hidden beast` number, since 142 + 0 + 0 + 515 + 3 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 822542400 + 597509136 = 28680^2 + 24444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420051537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89586 + ... + 104238.

Almost surely, 2^1420051536 is an apocalyptic number.

1420051536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1420051536 is an abundant number, since it is smaller than the sum of its proper divisors (2560297252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1420051536 is a wasteful number, since it uses less digits than its factorization.

1420051536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340 (or 15331 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1420051536 is about 37683.5711683487. The cubic root of 1420051536 is about 1124.0044621007.

Adding to 1420051536 its reverse (6351500241), we get a palindrome (7771551777).

The spelling of 1420051536 in words is "one billion, four hundred twenty million, fifty-one thousand, five hundred thirty-six".