1436121441 has 64 divisors (see below), whose sum is σ = 2380320000. Its totient is φ = 851751936.

The previous prime is 1436121437. The next prime is 1436121457. The reversal of 1436121441 is 1441216341.

1436121441 is a `hidden beast` number, since 1 + 4 + 3 + 612 + 1 + 4 + 41 = 666.

It is not a de Polignac number, because 1436121441 - 2² = 1436121437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1436121431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 549145 + ... + 551753.

It is an arithmetic number, because the mean of its divisors is an integer number (37192500).

Almost surely, 2^1436121441 is an apocalyptic number.

It is an amenable number.

1436121441 is a deficient number, since it is larger than the sum of its proper divisors (944198559).

1436121441 is a wasteful number, since it uses less digits than its factorization.

1436121441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2697 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1436121441 is about 37896.1929618267. The cubic root of 1436121441 is about 1128.2284719983.

Adding to 1436121441 its reverse (1441216341), we get a palindrome (2877337782).

The spelling of 1436121441 in words is "one billion, four hundred thirty-six million, one hundred twenty-one thousand, four hundred forty-one".