1402043234 has 4 divisors (see below), whose sum is σ = 2103064854. Its totient is φ = 701021616.

The previous prime is 1402043219. The next prime is 1402043239. The reversal of 1402043234 is 4323402041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1184392225 + 217651009 = 34415^2 + 14753^2 .

It is not an unprimeable number, because it can be changed into a prime (1402043239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350510807 + ... + 350510810.

Almost surely, 2^1402043234 is an apocalyptic number.

1402043234 is a deficient number, since it is larger than the sum of its proper divisors (701021620).

1402043234 is an equidigital number, since it uses as much as digits as its factorization.

1402043234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701021619.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1402043234 is about 37443.8677756452. The cubic root of 1402043234 is about 1119.2329021301.

Adding to 1402043234 its reverse (4323402041), we get a palindrome (5725445275).

The spelling of 1402043234 in words is "one billion, four hundred two million, forty-three thousand, two hundred thirty-four".