1402544634 has 16 divisors (see below), whose sum is σ = 2846957088. Its totient is φ = 460536912.

The previous prime is 1402544617. The next prime is 1402544651. The reversal of 1402544634 is 4364452041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1402544617) and next prime (1402544651).

It is a junction number, because it is equal to n+sod(n) for n = 1402544595 and 1402544604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1744057 + ... + 1744860.

It is an arithmetic number, because the mean of its divisors is an integer number (177934818).

Almost surely, 2^1402544634 is an apocalyptic number.

1402544634 is an abundant number, since it is smaller than the sum of its proper divisors (1444412454).

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

1402544634 is a wasteful number, since it uses less digits than its factorization.

1402544634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488989.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 1402544634 is about 37450.5625324908. The cubic root of 1402544634 is about 1119.3663065976.

Adding to 1402544634 its reverse (4364452041), we get a palindrome (5766996675).

The spelling of 1402544634 in words is "one billion, four hundred two million, five hundred forty-four thousand, six hundred thirty-four".