1402320234 has 16 divisors (see below), whose sum is σ = 3205303488. Its totient is φ = 400662912.

The previous prime is 1402320233. The next prime is 1402320263. The reversal of 1402320234 is 4320232041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1402320234.

It is not an unprimeable number, because it can be changed into a prime (1402320233) 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, 16694247 + ... + 16694330.

It is an arithmetic number, because the mean of its divisors is an integer number (200331468).

Almost surely, 2^1402320234 is an apocalyptic number.

1402320234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1402320234 is an abundant number, since it is smaller than the sum of its proper divisors (1802983254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402320234 is a wasteful number, since it uses less digits than its factorization.

1402320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33388589.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1402320234 is about 37447.5664629893. The cubic root of 1402320234 is about 1119.3066057771.

Adding to 1402320234 its reverse (4320232041), we get a palindrome (5722552275).

The spelling of 1402320234 in words is "one billion, four hundred two million, three hundred twenty thousand, two hundred thirty-four".