46140019 has 4 divisors (see below), whose sum is σ = 46828744. Its totient is φ = 45451296.

The previous prime is 46140007. The next prime is 46140043. The reversal of 46140019 is 91004164.

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 46140019 - 2⁵ = 46139987 is a prime.

It is a super-2 number, since 2×46140019² = 4257802706640722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 46139975 and 46140002.

It is not an unprimeable number, because it can be changed into a prime (46140079) 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, 344262 + ... + 344395.

It is an arithmetic number, because the mean of its divisors is an integer number (11707186).

Almost surely, 2^46140019 is an apocalyptic number.

46140019 is a deficient number, since it is larger than the sum of its proper divisors (688725).

46140019 is an equidigital number, since it uses as much as digits as its factorization.

46140019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688724.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 46140019 is about 6792.6444776685. The cubic root of 46140019 is about 358.6679658002.

The spelling of 46140019 in words is "forty-six million, one hundred forty thousand, nineteen".