140229172647 has 8 divisors (see below), whose sum is σ = 207746922480. Its totient is φ = 93486115080.

The previous prime is 140229172613. The next prime is 140229172651. The reversal of 140229172647 is 746271922041.

It is not a de Polignac number, because 140229172647 - 2¹² = 140229168551 is a prime.

It is a super-2 number, since 2×140229172647² (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 (140229172147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2596836504 + ... + 2596836557.

It is an arithmetic number, because the mean of its divisors is an integer number (25968365310).

Almost surely, 2^140229172647 is an apocalyptic number.

140229172647 is a deficient number, since it is larger than the sum of its proper divisors (67517749833).

140229172647 is an equidigital number, since it uses as much as digits as its factorization.

140229172647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193673070 (or 5193673064 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 140229172647 in words is "one hundred forty billion, two hundred twenty-nine million, one hundred seventy-two thousand, six hundred forty-seven".