140347665145 has 16 divisors (see below), whose sum is σ = 172302992640. Its totient is φ = 109696004224.

The previous prime is 140347665097. The next prime is 140347665179. The reversal of 140347665145 is 541566743041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140347665145 - 2¹⁷ = 140347534073 is a prime.

It is a super-2 number, since 2×140347665145² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140347665095 and 140347665104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391087 + ... + 658516.

It is an arithmetic number, because the mean of its divisors is an integer number (10768937040).

Almost surely, 2^140347665145 is an apocalyptic number.

It is an amenable number.

140347665145 is a deficient number, since it is larger than the sum of its proper divisors (31955327495).

140347665145 is a wasteful number, since it uses less digits than its factorization.

140347665145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050224.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 140347665145 in words is "one hundred forty billion, three hundred forty-seven million, six hundred sixty-five thousand, one hundred forty-five".