140002011 has 12 divisors (see below), whose sum is σ = 203096088. Its totient is φ = 92932704.

The previous prime is 140001997. The next prime is 140002019. The reversal of 140002011 is 110200041.

It is a happy number.

It is not a de Polignac number, because 140002011 - 2⁶ = 140001947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 140001984 and 140002002.

It is not an unprimeable number, because it can be changed into a prime (140002019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31285 + ... + 35478.

It is an arithmetic number, because the mean of its divisors is an integer number (16924674).

Almost surely, 2^140002011 is an apocalyptic number.

140002011 is a deficient number, since it is larger than the sum of its proper divisors (63094077).

140002011 is a wasteful number, since it uses less digits than its factorization.

140002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67002 (or 66999 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 140002011 is about 11832.2445461544. The cubic root of 140002011 is about 519.2518963888.

Adding to 140002011 its reverse (110200041), we get a palindrome (250202052).

The spelling of 140002011 in words is "one hundred forty million, two thousand, eleven".