140102007 has 4 divisors (see below), whose sum is σ = 186802680. Its totient is φ = 93401336.

The previous prime is 140102003. The next prime is 140102023. The reversal of 140102007 is 700201041.

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

It is a cyclic number.

It is not a de Polignac number, because 140102007 - 2² = 140102003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140102003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23350332 + ... + 23350337.

It is an arithmetic number, because the mean of its divisors is an integer number (46700670).

Almost surely, 2^140102007 is an apocalyptic number.

140102007 is a deficient number, since it is larger than the sum of its proper divisors (46700673).

140102007 is an equidigital number, since it uses as much as digits as its factorization.

140102007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46700672.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 140102007 is about 11836.4693637926. The cubic root of 140102007 is about 519.3754916505.

Adding to 140102007 its reverse (700201041), we get a palindrome (840303048).

The spelling of 140102007 in words is "one hundred forty million, one hundred two thousand, seven".