146139367 has 4 divisors (see below), whose sum is σ = 159424776. Its totient is φ = 132853960.

The previous prime is 146139341. The next prime is 146139373. The reversal of 146139367 is 763931641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146139367 - 2¹¹ = 146137319 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146139167) 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, 6642688 + ... + 6642709.

It is an arithmetic number, because the mean of its divisors is an integer number (39856194).

Almost surely, 2^146139367 is an apocalyptic number.

146139367 is a deficient number, since it is larger than the sum of its proper divisors (13285409).

146139367 is a wasteful number, since it uses less digits than its factorization.

146139367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285408.

The product of its digits is 81648, while the sum is 40.

The square root of 146139367 is about 12088.8116454844. The cubic root of 146139367 is about 526.7312365865.

The spelling of 146139367 in words is "one hundred forty-six million, one hundred thirty-nine thousand, three hundred sixty-seven".