1134786438 has 48 divisors (see below), whose sum is σ = 2651266800. Its totient is φ = 349608960.

The previous prime is 1134786427. The next prime is 1134786439. The reversal of 1134786438 is 8346874311.

1134786438 is a `hidden beast` number, since 1 + 134 + 7 + 86 + 438 = 666.

1134786438 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1134786393 and 1134786402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134786439) 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, 26443 + ... + 54486.

It is an arithmetic number, because the mean of its divisors is an integer number (55234725).

Almost surely, 2^1134786438 is an apocalyptic number.

1134786438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1134786438 is an abundant number, since it is smaller than the sum of its proper divisors (1516480362).

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

1134786438 is a wasteful number, since it uses less digits than its factorization.

1134786438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80997 (or 80994 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1134786438 is about 33686.5913680800. The cubic root of 1134786438 is about 1043.0490029671.

The spelling of 1134786438 in words is "one billion, one hundred thirty-four million, seven hundred eighty-six thousand, four hundred thirty-eight".