13278743507390 has 16 divisors (see below), whose sum is σ = 23902463838960. Its totient is φ = 5311336175040.

The previous prime is 13278743507347. The next prime is 13278743507441. The reversal of 13278743507390 is 9370534787231.

It is a happy number.

13278743507390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13278743507390² (a number of 27 digits) contains 22 as substring.

It is a congruent 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, 19807295 + ... + 20466714.

It is an arithmetic number, because the mean of its divisors is an integer number (1493903989935).

Almost surely, 2^{13278743507390} is an apocalyptic number.

13278743507390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13278743507390 is a deficient number, since it is larger than the sum of its proper divisors (10623720331570).

13278743507390 is a wasteful number, since it uses less digits than its factorization.

13278743507390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40306987.

The product of its (nonzero) digits is 26671680, while the sum is 59.

The spelling of 13278743507390 in words is "thirteen trillion, two hundred seventy-eight billion, seven hundred forty-three million, five hundred seven thousand, three hundred ninety".