1421131532 has 6 divisors (see below), whose sum is σ = 2486980188. Its totient is φ = 710565764.

The previous prime is 1421131519. The next prime is 1421131583. The reversal of 1421131532 is 2351311241.

It is a super-2 number, since 2×1421131532² = 4039229662489334048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421131498 and 1421131507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177641438 + ... + 177641445.

It is an arithmetic number, because the mean of its divisors is an integer number (414496698).

Almost surely, 2^1421131532 is an apocalyptic number.

It is an amenable number.

1421131532 is a deficient number, since it is larger than the sum of its proper divisors (1065848656).

1421131532 is a wasteful number, since it uses less digits than its factorization.

1421131532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355282887 (or 355282885 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1421131532 is about 37697.8982438013. The cubic root of 1421131532 is about 1124.2893373746.

Adding to 1421131532 its reverse (2351311241), we get a palindrome (3772442773).

The spelling of 1421131532 in words is "one billion, four hundred twenty-one million, one hundred thirty-one thousand, five hundred thirty-two".