140144787625547 has 4 divisors (see below), whose sum is σ = 140487439918440. Its totient is φ = 139802135332656.

The previous prime is 140144787625529. The next prime is 140144787625567. The reversal of 140144787625547 is 745526787441041.

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 140144787625547 - 2²⁴ = 140144770848331 is a prime.

It is a super-2 number, since 2×140144787625547² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140144787625567) 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, 171326145833 + ... + 171326146650.

It is an arithmetic number, because the mean of its divisors is an integer number (35121859979610).

Almost surely, 2^{140144787625547} is an apocalyptic number.

140144787625547 is a deficient number, since it is larger than the sum of its proper divisors (342652292893).

140144787625547 is an equidigital number, since it uses as much as digits as its factorization.

140144787625547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342652292892.

The product of its (nonzero) digits is 210739200, while the sum is 65.

The spelling of 140144787625547 in words is "one hundred forty trillion, one hundred forty-four billion, seven hundred eighty-seven million, six hundred twenty-five thousand, five hundred forty-seven".