134642918949 has 32 divisors (see below), whose sum is σ = 228045072384. Its totient is φ = 68624662080.

The previous prime is 134642918947. The next prime is 134642918957. The reversal of 134642918949 is 949819246431.

It is not a de Polignac number, because 134642918949 - 2¹ = 134642918947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134642918892 and 134642918901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134642918947) 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, 5486529 + ... + 5511014.

It is an arithmetic number, because the mean of its divisors is an integer number (7126408512).

Almost surely, 2^134642918949 is an apocalyptic number.

It is an amenable number.

134642918949 is a deficient number, since it is larger than the sum of its proper divisors (93402153435).

134642918949 is a wasteful number, since it uses less digits than its factorization.

134642918949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997617.

The product of its digits is 13436928, while the sum is 60.

It can be divided in two parts, 1346429 and 18949, that added together give a triangular number (1365378 = T₁₆₅₂).

The spelling of 134642918949 in words is "one hundred thirty-four billion, six hundred forty-two million, nine hundred eighteen thousand, nine hundred forty-nine".