67453139 has 6 divisors (see below), whose sum is σ = 73041156. Its totient is φ = 62264280.

The previous prime is 67453091. The next prime is 67453147. The reversal of 67453139 is 93135476.

It is a happy number.

It is not a de Polignac number, because 67453139 - 2⁸ = 67452883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67453039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199397 + ... + 199734.

It is an arithmetic number, because the mean of its divisors is an integer number (12173526).

Almost surely, 2^67453139 is an apocalyptic number.

67453139 is a deficient number, since it is larger than the sum of its proper divisors (5588017).

67453139 is a wasteful number, since it uses less digits than its factorization.

67453139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399157 (or 399144 counting only the distinct ones).

The product of its digits is 68040, while the sum is 38.

The square root of 67453139 is about 8212.9859977964. The cubic root of 67453139 is about 407.0683982144.

The spelling of 67453139 in words is "sixty-seven million, four hundred fifty-three thousand, one hundred thirty-nine".