140991247383 has 16 divisors (see below), whose sum is σ = 214859836416. Its totient is φ = 80560415520.

The previous prime is 140991247337. The next prime is 140991247409. The reversal of 140991247383 is 383742199041.

It is a happy number.

It is not a de Polignac number, because 140991247383 - 2²⁰ = 140990198807 is a prime.

It is a super-2 number, since 2×140991247383² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140991247783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45810 + ... + 532992.

It is an arithmetic number, because the mean of its divisors is an integer number (13428739776).

Almost surely, 2^140991247383 is an apocalyptic number.

140991247383 is a deficient number, since it is larger than the sum of its proper divisors (73868589033).

140991247383 is a wasteful number, since it uses less digits than its factorization.

140991247383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500974.

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 140991247383 in words is "one hundred forty billion, nine hundred ninety-one million, two hundred forty-seven thousand, three hundred eighty-three".