140660101155 has 32 divisors (see below), whose sum is σ = 258122423808. Its totient is φ = 64072915200.

The previous prime is 140660101151. The next prime is 140660101157. The reversal of 140660101155 is 551101066041.

It is not a de Polignac number, because 140660101155 - 2² = 140660101151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140660101151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2354161 + ... + 2413170.

It is an arithmetic number, because the mean of its divisors is an integer number (8066325744).

Almost surely, 2^140660101155 is an apocalyptic number.

140660101155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

140660101155 is a deficient number, since it is larger than the sum of its proper divisors (117462322653).

140660101155 is a wasteful number, since it uses less digits than its factorization.

140660101155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767627.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 140660101155 its reverse (551101066041), we get a palindrome (691761167196).

The spelling of 140660101155 in words is "one hundred forty billion, six hundred sixty million, one hundred one thousand, one hundred fifty-five".