40767139 has 32 divisors (see below), whose sum is σ = 52310016. Its totient is φ = 30965760.

The previous prime is 40767121. The next prime is 40767163. The reversal of 40767139 is 93176704.

40767139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40767139 - 2²¹ = 38669987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40767098 and 40767107.

It is not an unprimeable number, because it can be changed into a prime (40767439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158499 + ... + 158755.

It is an arithmetic number, because the mean of its divisors is an integer number (1634688).

Almost surely, 2^40767139 is an apocalyptic number.

40767139 is a deficient number, since it is larger than the sum of its proper divisors (11542877).

40767139 is a wasteful number, since it uses less digits than its factorization.

40767139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 40767139 is about 6384.9149563639. The cubic root of 40767139 is about 344.1676750403.

The spelling of 40767139 in words is "forty million, seven hundred sixty-seven thousand, one hundred thirty-nine".