40773139 has 4 divisors (see below), whose sum is σ = 44479800. Its totient is φ = 37066480.

The previous prime is 40773133. The next prime is 40773143. The reversal of 40773139 is 93137704.

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

It is not a de Polignac number, because 40773139 - 2⁷ = 40773011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40773133) 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, 1853314 + ... + 1853335.

It is an arithmetic number, because the mean of its divisors is an integer number (11119950).

Almost surely, 2^40773139 is an apocalyptic number.

40773139 is a deficient number, since it is larger than the sum of its proper divisors (3706661).

40773139 is a wasteful number, since it uses less digits than its factorization.

40773139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706660.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 40773139 is about 6385.3847965491. The cubic root of 40773139 is about 344.1845587755.

The spelling of 40773139 in words is "forty million, seven hundred seventy-three thousand, one hundred thirty-nine".