140692005 has 32 divisors (see below), whose sum is σ = 251424000. Its totient is φ = 74644416.

The previous prime is 140691973. The next prime is 140692007. The reversal of 140692005 is 500296041.

It is not a de Polignac number, because 140692005 - 2⁵ = 140691973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140692005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140692007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24247 + ... + 29483.

It is an arithmetic number, because the mean of its divisors is an integer number (7857000).

Almost surely, 2^140692005 is an apocalyptic number.

140692005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140692005 is a deficient number, since it is larger than the sum of its proper divisors (110731995).

140692005 is a wasteful number, since it uses less digits than its factorization.

140692005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5444 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 140692005 is about 11861.3660680379. The cubic root of 140692005 is about 520.1035358434.

The spelling of 140692005 in words is "one hundred forty million, six hundred ninety-two thousand, five".