1402259051389 has 12 divisors (see below), whose sum is σ = 1702121014944. Its totient is φ = 1149678227544.

The previous prime is 1402259051387. The next prime is 1402259051443. The reversal of 1402259051389 is 9831509522041.

It is not a de Polignac number, because 1402259051389 - 2¹ = 1402259051387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402259051381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622119127 + ... + 622121380.

It is an arithmetic number, because the mean of its divisors is an integer number (141843417912).

Almost surely, 2^{1402259051389} is an apocalyptic number.

It is an amenable number.

1402259051389 is a deficient number, since it is larger than the sum of its proper divisors (299861963555).

1402259051389 is a wasteful number, since it uses less digits than its factorization.

1402259051389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244240544 (or 1244240537 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 1402259051389 in words is "one trillion, four hundred two billion, two hundred fifty-nine million, fifty-one thousand, three hundred eighty-nine".