1513421402 has 16 divisors (see below), whose sum is σ = 2398714560. Its totient is φ = 714153312.

The previous prime is 1513421387. The next prime is 1513421417. The reversal of 1513421402 is 2041243151.

It is an interprime number because it is at equal distance from previous prime (1513421387) and next prime (1513421417).

It is an unprimeable number.

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, 65723 + ... + 85710.

It is an arithmetic number, because the mean of its divisors is an integer number (149919660).

Almost surely, 2^1513421402 is an apocalyptic number.

1513421402 is a deficient number, since it is larger than the sum of its proper divisors (885293158).

1513421402 is a wasteful number, since it uses less digits than its factorization.

1513421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151717.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1513421402 is about 38902.7171544611. The cubic root of 1513421402 is about 1148.1182589509.

Adding to 1513421402 its reverse (2041243151), we get a palindrome (3554664553).

The spelling of 1513421402 in words is "one billion, five hundred thirteen million, four hundred twenty-one thousand, four hundred two".