13401210078 has 40 divisors (see below), whose sum is σ = 30309318072. Its totient is φ = 4425315984.

The previous prime is 13401210077. The next prime is 13401210083. The reversal of 13401210078 is 87001210431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13401210073) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 369225 + ... + 403892.

Almost surely, 2^13401210078 is an apocalyptic number.

13401210078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13401210078 is an abundant number, since it is smaller than the sum of its proper divisors (16908107994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13401210078 is a wasteful number, since it uses less digits than its factorization.

13401210078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773238 (or 773229 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 13401210078 in words is "thirteen billion, four hundred one million, two hundred ten thousand, seventy-eight".