140155133 has 4 divisors (see below), whose sum is σ = 140197500. Its totient is φ = 140112768.

The previous prime is 140155129. The next prime is 140155151. The reversal of 140155133 is 331551041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331551041 = 67 ⋅4948523.

It can be written as a sum of positive squares in 2 ways, for example, as 24334489 + 115820644 = 4933^2 + 10762^2 .

It is a cyclic number.

It is not a de Polignac number, because 140155133 - 2² = 140155129 is a prime.

It is a super-2 number, since 2×140155133² = 39286922612495378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140155099 and 140155108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140155333) 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, 15758 + ... + 22991.

It is an arithmetic number, because the mean of its divisors is an integer number (35049375).

Almost surely, 2^140155133 is an apocalyptic number.

It is an amenable number.

140155133 is a deficient number, since it is larger than the sum of its proper divisors (42367).

140155133 is an equidigital number, since it uses as much as digits as its factorization.

140155133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42366.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 140155133 is about 11838.7133169108. The cubic root of 140155133 is about 519.4411315750.

The spelling of 140155133 in words is "one hundred forty million, one hundred fifty-five thousand, one hundred thirty-three".