134478562152 has 128 divisors (see below), whose sum is σ = 388578072960. Its totient is φ = 38329835520.

The previous prime is 134478562151. The next prime is 134478562181. The reversal of 134478562152 is 251265874431.

It is a super-2 number, since 2×134478562152² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134478562151) 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, 7858918 + ... + 7876010.

It is an arithmetic number, because the mean of its divisors is an integer number (3035766195).

Almost surely, 2^134478562152 is an apocalyptic number.

134478562152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134478562152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194289036480).

134478562152 is an abundant number, since it is smaller than the sum of its proper divisors (254099510808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134478562152 is a wasteful number, since it uses less digits than its factorization.

134478562152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18883 (or 18879 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 134478562152 in words is "one hundred thirty-four billion, four hundred seventy-eight million, five hundred sixty-two thousand, one hundred fifty-two".