140236106 has 8 divisors (see below), whose sum is σ = 219500064. Its totient is φ = 67069420.

The previous prime is 140236087. The next prime is 140236121. The reversal of 140236106 is 601632041.

It is a happy number.

140236106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524260 + ... + 1524351.

It is an arithmetic number, because the mean of its divisors is an integer number (27437508).

Almost surely, 2^140236106 is an apocalyptic number.

140236106 is a deficient number, since it is larger than the sum of its proper divisors (79263958).

140236106 is a wasteful number, since it uses less digits than its factorization.

140236106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048636.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 140236106 is about 11842.1326626584. The cubic root of 140236106 is about 519.5411460100.

Adding to 140236106 its reverse (601632041), we get a palindrome (741868147).

The spelling of 140236106 in words is "one hundred forty million, two hundred thirty-six thousand, one hundred six".