1421753332 has 6 divisors (see below), whose sum is σ = 2488068338. Its totient is φ = 710876664.

The previous prime is 1421753323. The next prime is 1421753339. The reversal of 1421753332 is 2333571241.

It can be written as a sum of positive squares in only one way, i.e., 1062499216 + 359254116 = 32596^2 + 18954^2 .

It is a super-4 number, since 4×1421753332⁴ (a number of 38 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1421753294 and 1421753303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421753339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177719163 + ... + 177719170.

Almost surely, 2^1421753332 is an apocalyptic number.

It is an amenable number.

1421753332 is a deficient number, since it is larger than the sum of its proper divisors (1066315006).

1421753332 is a wasteful number, since it uses less digits than its factorization.

1421753332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355438337 (or 355438335 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 1421753332 is about 37706.1444860118. The cubic root of 1421753332 is about 1124.4532868192.

The spelling of 1421753332 in words is "one billion, four hundred twenty-one million, seven hundred fifty-three thousand, three hundred thirty-two".