134405137555 has 16 divisors (see below), whose sum is σ = 173722891104. Its totient is φ = 99235825920.

The previous prime is 134405137549. The next prime is 134405137579. The reversal of 134405137555 is 555731504431.

It is not a de Polignac number, because 134405137555 - 2²¹ = 134403040403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205135 + ... + 557575.

It is an arithmetic number, because the mean of its divisors is an integer number (10857680694).

Almost surely, 2^134405137555 is an apocalyptic number.

134405137555 is a deficient number, since it is larger than the sum of its proper divisors (39317753549).

134405137555 is a wasteful number, since it uses less digits than its factorization.

134405137555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358326.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 134405137555 in words is "one hundred thirty-four billion, four hundred five million, one hundred thirty-seven thousand, five hundred fifty-five".