140351265505 has 32 divisors (see below), whose sum is σ = 195338407680. Its totient is φ = 95793434880.

The previous prime is 140351265503. The next prime is 140351265521. The reversal of 140351265505 is 505562153041.

It is a happy number.

It is not a de Polignac number, because 140351265505 - 2¹ = 140351265503 is a prime.

It is a super-3 number, since 3×140351265505³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140351265503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979650 + ... + 1113739.

It is an arithmetic number, because the mean of its divisors is an integer number (6104325240).

Almost surely, 2^140351265505 is an apocalyptic number.

It is an amenable number.

140351265505 is a deficient number, since it is larger than the sum of its proper divisors (54987142175).

140351265505 is a wasteful number, since it uses less digits than its factorization.

140351265505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093481.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 140351265505 in words is "one hundred forty billion, three hundred fifty-one million, two hundred sixty-five thousand, five hundred five".