140155540550983 has 4 divisors (see below), whose sum is σ = 143943528133480. Its totient is φ = 136367552968488.

The previous prime is 140155540550969. The next prime is 140155540551029. The reversal of 140155540550983 is 389055045551041.

It is a happy number.

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 140155540550983 - 2⁴¹ = 137956517295431 is a prime.

It is a super-3 number, since 3×140155540550983³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140155540554983) 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, 1893993791193 + ... + 1893993791266.

It is an arithmetic number, because the mean of its divisors is an integer number (35985882033370).

Almost surely, 2^{140155540550983} is an apocalyptic number.

140155540550983 is a deficient number, since it is larger than the sum of its proper divisors (3787987582497).

140155540550983 is an equidigital number, since it uses as much as digits as its factorization.

140155540550983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787987582496.

The product of its (nonzero) digits is 10800000, while the sum is 55.

The spelling of 140155540550983 in words is "one hundred forty trillion, one hundred fifty-five billion, five hundred forty million, five hundred fifty thousand, nine hundred eighty-three".