46139469 has 8 divisors (see below), whose sum is σ = 62210880. Its totient is φ = 30413856.

The previous prime is 46139459. The next prime is 46139491. The reversal of 46139469 is 96493164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 46139469 - 2⁴ = 46139453 is a prime.

It is a super-2 number, since 2×46139469² = 4257701199203922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 46139469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46139419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86137 + ... + 86670.

It is an arithmetic number, because the mean of its divisors is an integer number (7776360).

Almost surely, 2^46139469 is an apocalyptic number.

It is an amenable number.

46139469 is a deficient number, since it is larger than the sum of its proper divisors (16071411).

46139469 is a wasteful number, since it uses less digits than its factorization.

46139469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172899.

The product of its digits is 139968, while the sum is 42.

The square root of 46139469 is about 6792.6039925790. The cubic root of 46139469 is about 358.6665406588. Note that the first 3 decimals are identical.

The spelling of 46139469 in words is "forty-six million, one hundred thirty-nine thousand, four hundred sixty-nine".