134769492 has 144 divisors (see below), whose sum is σ = 409473792. Its totient is φ = 36829440.

The previous prime is 134769469. The next prime is 134769499. The reversal of 134769492 is 294967431.

It is a happy number.

134769492 is a `hidden beast` number, since 1 + 3 + 476 + 94 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134769499) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241678 + ... + 242234.

It is an arithmetic number, because the mean of its divisors is an integer number (2843568).

Almost surely, 2^134769492 is an apocalyptic number.

134769492 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 134769492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204736896).

134769492 is an abundant number, since it is smaller than the sum of its proper divisors (274704300).

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

134769492 is a wasteful number, since it uses less digits than its factorization.

134769492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 633 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 134769492 is about 11609.0263157596. The cubic root of 134769492 is about 512.7006449743.

The spelling of 134769492 in words is "one hundred thirty-four million, seven hundred sixty-nine thousand, four hundred ninety-two".