140102011 has 8 divisors (see below), whose sum is σ = 161339904. Its totient is φ = 119169960.

The previous prime is 140102003. The next prime is 140102023. The reversal of 140102011 is 110201041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140102011 - 2³ = 140102003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140102311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75475 + ... + 77308.

It is an arithmetic number, because the mean of its divisors is an integer number (20167488).

Almost surely, 2^140102011 is an apocalyptic number.

140102011 is a deficient number, since it is larger than the sum of its proper divisors (21237893).

140102011 is a wasteful number, since it uses less digits than its factorization.

140102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152921.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 140102011 is about 11836.4695327619. The cubic root of 140102011 is about 519.3754965934.

Adding to 140102011 its reverse (110201041), we get a palindrome (250303052).

The spelling of 140102011 in words is "one hundred forty million, one hundred two thousand, eleven".