134434993 has 32 divisors (see below), whose sum is σ = 173150208. Its totient is φ = 102191760.

The previous prime is 134434987. The next prime is 134434999. The reversal of 134434993 is 399434431.

It is an interprime number because it is at equal distance from previous prime (134434987) and next prime (134434999).

It is not a de Polignac number, because 134434993 - 2¹³ = 134426801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134434999) 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, 437746 + ... + 438052.

It is an arithmetic number, because the mean of its divisors is an integer number (5410944).

Almost surely, 2^134434993 is an apocalyptic number.

It is an amenable number.

134434993 is a deficient number, since it is larger than the sum of its proper divisors (38715215).

134434993 is an equidigital number, since it uses as much as digits as its factorization.

134434993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 372 counting only the distinct ones).

The product of its digits is 139968, while the sum is 40.

The square root of 134434993 is about 11594.6105152351. The cubic root of 134434993 is about 512.2761177988.

The spelling of 134434993 in words is "one hundred thirty-four million, four hundred thirty-four thousand, nine hundred ninety-three".