134404444155 has 32 divisors (see below), whose sum is σ = 226455736320. Its totient is φ = 67936682880.

The previous prime is 134404444151. The next prime is 134404444159. The reversal of 134404444155 is 551444404431.

It is an interprime number because it is at equal distance from previous prime (134404444151) and next prime (134404444159).

It is not a de Polignac number, because 134404444155 - 2² = 134404444151 is a prime.

It is a super-2 number, since 2×134404444155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134404444151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1749451 + ... + 1824660.

It is an arithmetic number, because the mean of its divisors is an integer number (7076741760).

Almost surely, 2^134404444155 is an apocalyptic number.

134404444155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134404444155 is a deficient number, since it is larger than the sum of its proper divisors (92051292165).

134404444155 is a wasteful number, since it uses less digits than its factorization.

134404444155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574251.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 134404444155 its reverse (551444404431), we get a palindrome (685848848586).

The spelling of 134404444155 in words is "one hundred thirty-four billion, four hundred four million, four hundred forty-four thousand, one hundred fifty-five".