1402721113 has 12 divisors (see below), whose sum is σ = 1487817840. Its totient is φ = 1318778496.

The previous prime is 1402721107. The next prime is 1402721129. The reversal of 1402721113 is 3111272041.

It is a happy number.

It is not a de Polignac number, because 1402721113 - 2⁹ = 1402720601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1402721143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2083945 + ... + 2084617.

It is an arithmetic number, because the mean of its divisors is an integer number (123984820).

Almost surely, 2^1402721113 is an apocalyptic number.

It is an amenable number.

1402721113 is a deficient number, since it is larger than the sum of its proper divisors (85096727).

1402721113 is an frugal number, since it uses more digits than its factorization.

1402721113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1402721113 is about 37452.9186179128. The cubic root of 1402721113 is about 1119.4132537337.

Adding to 1402721113 its reverse (3111272041), we get a palindrome (4513993154).

The spelling of 1402721113 in words is "one billion, four hundred two million, seven hundred twenty-one thousand, one hundred thirteen".