140842734703146 has 120 divisors (see below), whose sum is σ = 371242202140260. Its totient is φ = 39788637533568.

The previous prime is 140842734703123. The next prime is 140842734703147. The reversal of 140842734703146 is 641307437248041.

140842734703146 is a `hidden beast` number, since 1 + 4 + 0 + 8 + 4 + 27 + 3 + 470 + 3 + 146 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 104996110991121 + 35846623712025 = 10246761^2 + 5987205^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 140842734703092 and 140842734703101.

It is not an unprimeable number, because it can be changed into a prime (140842734703147) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 98972445 + ... + 100385408.

Almost surely, 2^{140842734703146} is an apocalyptic number.

140842734703146 is an abundant number, since it is smaller than the sum of its proper divisors (230399467437114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140842734703146 is a wasteful number, since it uses less digits than its factorization.

140842734703146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199357970 (or 199357954 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 140842734703146 in words is "one hundred forty trillion, eight hundred forty-two billion, seven hundred thirty-four million, seven hundred three thousand, one hundred forty-six".