1421600131 has 8 divisors (see below), whose sum is σ = 1629813600. Its totient is φ = 1214668608.

The previous prime is 1421600113. The next prime is 1421600137. The reversal of 1421600131 is 1310061241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421600131 - 2²¹ = 1419502979 is a prime.

It is a super-2 number, since 2×1421600131² = 4041893864918434322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421600099 and 1421600108.

It is not an unprimeable number, because it can be changed into a prime (1421600137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318106 + ... + 322543.

It is an arithmetic number, because the mean of its divisors is an integer number (203726700).

Almost surely, 2^1421600131 is an apocalyptic number.

1421600131 is a deficient number, since it is larger than the sum of its proper divisors (208213469).

1421600131 is an equidigital number, since it uses as much as digits as its factorization.

1421600131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640973.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1421600131 is about 37704.1129188846. The cubic root of 1421600131 is about 1124.4128968885.

Adding to 1421600131 its reverse (1310061241), we get a palindrome (2731661372).

The spelling of 1421600131 in words is "one billion, four hundred twenty-one million, six hundred thousand, one hundred thirty-one".