135400000678 has 4 divisors (see below), whose sum is σ = 203100001020. Its totient is φ = 67700000338.

The previous prime is 135400000663. The next prime is 135400000721. The reversal of 135400000678 is 876000004531.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×135400000678³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33850000168 + ... + 33850000171.

It is an arithmetic number, because the mean of its divisors is an integer number (50775000255).

Almost surely, 2^135400000678 is an apocalyptic number.

135400000678 is a deficient number, since it is larger than the sum of its proper divisors (67700000342).

135400000678 is an equidigital number, since it uses as much as digits as its factorization.

135400000678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67700000341.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 135400000678 in words is "one hundred thirty-five billion, four hundred million, six hundred seventy-eight", and thus it is an aban number.