140556141 has 30 divisors (see below), whose sum is σ = 230805806. Its totient is φ = 85179600.

The previous prime is 140556103. The next prime is 140556161. The reversal of 140556141 is 141655041.

140556141 is a `hidden beast` number, since 1 + 40 + 5 + 5 + 614 + 1 = 666.

140556141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 61168041 = 8910^2 + 7821^2 .

It is not a de Polignac number, because 140556141 - 2¹⁰ = 140555117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140556161) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2631 + ... + 16971.

Almost surely, 2^140556141 is an apocalyptic number.

140556141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140556141 is a deficient number, since it is larger than the sum of its proper divisors (90249665).

140556141 is a wasteful number, since it uses less digits than its factorization.

140556141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14375 (or 14355 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 140556141 is about 11855.6375197625. The cubic root of 140556141 is about 519.9360633915.

The spelling of 140556141 in words is "one hundred forty million, five hundred fifty-six thousand, one hundred forty-one".