134578488 has 32 divisors (see below), whose sum is σ = 367032960. Its totient is φ = 40781280.

The previous prime is 134578429. The next prime is 134578489. The reversal of 134578488 is 884875431.

It is a super-2 number, since 2×134578488² = 36222738864732288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134578489) 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, 254620 + ... + 255147.

It is an arithmetic number, because the mean of its divisors is an integer number (11469780).

Almost surely, 2^134578488 is an apocalyptic number.

It is an amenable number.

134578488 is an abundant number, since it is smaller than the sum of its proper divisors (232454472).

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

134578488 is a wasteful number, since it uses less digits than its factorization.

134578488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509787 (or 509783 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 134578488 is about 11600.7968691810. The cubic root of 134578488 is about 512.4583196720.

It can be divided in two parts, 13457 and 8488, that added together give a triangular number (21945 = T₂₀₉).

The spelling of 134578488 in words is "one hundred thirty-four million, five hundred seventy-eight thousand, four hundred eighty-eight".