1601364136 has 8 divisors (see below), whose sum is σ = 3002557770. Its totient is φ = 800682064.

The previous prime is 1601364109. The next prime is 1601364139. The reversal of 1601364136 is 6314631061.

It can be written as a sum of positive squares in only one way, i.e., 1101841636 + 499522500 = 33194^2 + 22350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1601364098 and 1601364107.

It is not an unprimeable number, because it can be changed into a prime (1601364139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100085251 + ... + 100085266.

Almost surely, 2^1601364136 is an apocalyptic number.

It is an amenable number.

1601364136 is a deficient number, since it is larger than the sum of its proper divisors (1401193634).

1601364136 is a wasteful number, since it uses less digits than its factorization.

1601364136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200170523 (or 200170519 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1601364136 is about 40017.0480670426. The cubic root of 1601364136 is about 1169.9393973529.

Adding to 1601364136 its reverse (6314631061), we get a palindrome (7915995197).

The spelling of 1601364136 in words is "one billion, six hundred one million, three hundred sixty-four thousand, one hundred thirty-six".