1356890013458 has 16 divisors (see below), whose sum is σ = 2326467891264. Its totient is φ = 581431610160.

The previous prime is 1356890013407. The next prime is 1356890013509. The reversal of 1356890013458 is 8543100986531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1356890013407) and next prime (1356890013509).

It is a super-2 number, since 2×1356890013458² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 7632428 + ... + 7808183.

It is an arithmetic number, because the mean of its divisors is an integer number (145404243204).

Almost surely, 2^{1356890013458} is an apocalyptic number.

1356890013458 is a deficient number, since it is larger than the sum of its proper divisors (969577877806).

1356890013458 is a wasteful number, since it uses less digits than its factorization.

1356890013458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15446897.

The product of its (nonzero) digits is 3110400, while the sum is 53.

Adding to 1356890013458 its reverse (8543100986531), we get a palindrome (9899990999989).

The spelling of 1356890013458 in words is "one trillion, three hundred fifty-six billion, eight hundred ninety million, thirteen thousand, four hundred fifty-eight".