140152148161 has 9 divisors (see below), whose sum is σ = 141446102889. Its totient is φ = 138869934336.

The previous prime is 140152148113. The next prime is 140152148183. The reversal of 140152148161 is 161841251041.

The square root of 140152148161 is 374369.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2955988161 + 137196160000 = 54369^2 + 370400^2 .

It is not a de Polignac number, because 140152148161 - 2²¹ = 140150051009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140152148861) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42302041 + ... + 42305353.

Almost surely, 2^140152148161 is an apocalyptic number.

140152148161 is the 374369-th square number.

140152148161 is the 187185-th centered octagonal number.

It is an amenable number.

140152148161 is a deficient number, since it is larger than the sum of its proper divisors (1293954728).

140152148161 is an frugal number, since it uses more digits than its factorization.

140152148161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852 (or 3426 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 140152148161 in words is "one hundred forty billion, one hundred fifty-two million, one hundred forty-eight thousand, one hundred sixty-one".