134455555690 has 16 divisors (see below), whose sum is σ = 249827097600. Its totient is φ = 52047311760.

The previous prime is 134455555651. The next prime is 134455555697. The reversal of 134455555690 is 96555554431.

It is a super-2 number, since 2×134455555690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134455555697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216863490 + ... + 216864109.

It is an arithmetic number, because the mean of its divisors is an integer number (15614193600).

Almost surely, 2^134455555690 is an apocalyptic number.

134455555690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134455555690 is a deficient number, since it is larger than the sum of its proper divisors (115371541910).

134455555690 is a wasteful number, since it uses less digits than its factorization.

134455555690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433727637.

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 134455555690 in words is "one hundred thirty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, six hundred ninety".