67149141 has 4 divisors (see below), whose sum is σ = 89532192. Its totient is φ = 44766092.

The previous prime is 67149119. The next prime is 67149149. The reversal of 67149141 is 14194176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67149141 - 2¹⁷ = 67018069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67149149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11191521 + ... + 11191526.

It is an arithmetic number, because the mean of its divisors is an integer number (22383048).

Almost surely, 2^67149141 is an apocalyptic number.

It is an amenable number.

67149141 is a deficient number, since it is larger than the sum of its proper divisors (22383051).

67149141 is a wasteful number, since it uses less digits than its factorization.

67149141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22383050.

The product of its digits is 6048, while the sum is 33.

The square root of 67149141 is about 8194.4579442450. The cubic root of 67149141 is about 406.4559515579.

The spelling of 67149141 in words is "sixty-seven million, one hundred forty-nine thousand, one hundred forty-one".