140062138 has 4 divisors (see below), whose sum is σ = 210093210. Its totient is φ = 70031068.

The previous prime is 140062121. The next prime is 140062147. The reversal of 140062138 is 831260041.

140062138 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 12981609 = 11273^2 + 3603^2 .

It is a super-2 number, since 2×140062138² = 39234805002262088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35015533 + ... + 35015536.

Almost surely, 2^140062138 is an apocalyptic number.

140062138 is a deficient number, since it is larger than the sum of its proper divisors (70031072).

140062138 is an equidigital number, since it uses as much as digits as its factorization.

140062138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70031071.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 140062138 is about 11834.7850846562. The cubic root of 140062138 is about 519.3262205363.

The spelling of 140062138 in words is "one hundred forty million, sixty-two thousand, one hundred thirty-eight".