1600420136 has 32 divisors (see below), whose sum is σ = 3540103680. Its totient is φ = 663768000.

The previous prime is 1600420127. The next prime is 1600420183. The reversal of 1600420136 is 6310240061.

It is a happy number.

It is a super-2 number, since 2×1600420136² = 5122689223428516992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459215 + ... + 462686.

It is an arithmetic number, because the mean of its divisors is an integer number (110628240).

Almost surely, 2^1600420136 is an apocalyptic number.

It is an amenable number.

1600420136 is an abundant number, since it is smaller than the sum of its proper divisors (1939683544).

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

1600420136 is a wasteful number, since it uses less digits than its factorization.

1600420136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921945 (or 921941 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1600420136 is about 40005.2513552908. The cubic root of 1600420136 is about 1169.7094600856.

Adding to 1600420136 its reverse (6310240061), we get a palindrome (7910660197).

The spelling of 1600420136 in words is "one billion, six hundred million, four hundred twenty thousand, one hundred thirty-six".