1402785234 has 48 divisors (see below), whose sum is σ = 3134640600. Its totient is φ = 453093120.

The previous prime is 1402785233. The next prime is 1402785253. The reversal of 1402785234 is 4325872041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 607376025 + 795409209 = 24645^2 + 28203^2 .

It is not an unprimeable number, because it can be changed into a prime (1402785233) 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 23 ways as a sum of consecutive naturals, for example, 103584 + ... + 116340.

Almost surely, 2^1402785234 is an apocalyptic number.

1402785234 is an abundant number, since it is smaller than the sum of its proper divisors (1731855366).

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

1402785234 is a wasteful number, since it uses less digits than its factorization.

1402785234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12955 (or 12952 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 1402785234 is about 37453.7746295350. The cubic root of 1402785234 is about 1119.4303102969.

The spelling of 1402785234 in words is "one billion, four hundred two million, seven hundred eighty-five thousand, two hundred thirty-four".