1402531013 has 16 divisors (see below), whose sum is σ = 1527870960. Its totient is φ = 1279742976.

The previous prime is 1402531001. The next prime is 1402531019. The reversal of 1402531013 is 3101352041.

It can be written as a sum of positive squares in 8 ways, for example, as 149866564 + 1252664449 = 12242^2 + 35393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402531013 - 2¹⁸ = 1402268869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402531019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788381 + ... + 790157.

It is an arithmetic number, because the mean of its divisors is an integer number (95491935).

Almost surely, 2^1402531013 is an apocalyptic number.

1402531013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1402531013 is a deficient number, since it is larger than the sum of its proper divisors (125339947).

1402531013 is a wasteful number, since it uses less digits than its factorization.

1402531013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1402531013 is about 37450.3806789731. The cubic root of 1402531013 is about 1119.3626829607.

Adding to 1402531013 its reverse (3101352041), we get a palindrome (4503883054).

The spelling of 1402531013 in words is "one billion, four hundred two million, five hundred thirty-one thousand, thirteen".