134287938 has 48 divisors (see below), whose sum is σ = 304963776. Its totient is φ = 42625440.

The previous prime is 134287931. The next prime is 134287949. The reversal of 134287938 is 839782431.

It is a junction number, because it is equal to n+sod(n) for n = 134287893 and 134287902.

It is not an unprimeable number, because it can be changed into a prime (134287931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114093 + ... + 115263.

It is an arithmetic number, because the mean of its divisors is an integer number (6353412).

Almost surely, 2^134287938 is an apocalyptic number.

134287938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 134287938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152481888).

134287938 is an abundant number, since it is smaller than the sum of its proper divisors (170675838).

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

134287938 is a wasteful number, since it uses less digits than its factorization.

134287938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479 (or 1476 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 134287938 is about 11588.2672561518. The cubic root of 134287938 is about 512.0892610692.

The spelling of 134287938 in words is "one hundred thirty-four million, two hundred eighty-seven thousand, nine hundred thirty-eight".