140185034 has 12 divisors (see below), whose sum is σ = 231131922. Its totient is φ = 63720360.

The previous prime is 140185033. The next prime is 140185037. The reversal of 140185034 is 430581041.

It can be written as a sum of positive squares in only one way, i.e., 139310809 + 874225 = 11803^2 + 935^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140184994 and 140185012.

It is not an unprimeable number, because it can be changed into a prime (140185033) 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 5 ways as a sum of consecutive naturals, for example, 289397 + ... + 289880.

Almost surely, 2^140185034 is an apocalyptic number.

140185034 is a deficient number, since it is larger than the sum of its proper divisors (90946888).

140185034 is a wasteful number, since it uses less digits than its factorization.

140185034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579301 (or 579290 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 140185034 is about 11839.9760979488. The cubic root of 140185034 is about 519.4780685142.

The spelling of 140185034 in words is "one hundred forty million, one hundred eighty-five thousand, thirty-four".