135556404026 has 16 divisors (see below), whose sum is σ = 203571792000. Its totient is φ = 67699188000.

The previous prime is 135556404013. The next prime is 135556404101. The reversal of 135556404026 is 620404655531.

It is a happy 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, 6684350 + ... + 6704598.

It is an arithmetic number, because the mean of its divisors is an integer number (12723237000).

Almost surely, 2^135556404026 is an apocalyptic number.

135556404026 is a deficient number, since it is larger than the sum of its proper divisors (68015387974).

135556404026 is a wasteful number, since it uses less digits than its factorization.

135556404026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 135556404026 in words is "one hundred thirty-five billion, five hundred fifty-six million, four hundred four thousand, twenty-six".