140141551 has 8 divisors (see below), whose sum is σ = 153065808. Its totient is φ = 127248000.

The previous prime is 140141539. The next prime is 140141569. The reversal of 140141551 is 155141041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140141551 - 2⁹ = 140141039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140141851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461 + ... + 16921.

It is an arithmetic number, because the mean of its divisors is an integer number (19133226).

Almost surely, 2^140141551 is an apocalyptic number.

140141551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140141551 is a deficient number, since it is larger than the sum of its proper divisors (12924257).

140141551 is a wasteful number, since it uses less digits than its factorization.

140141551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15353.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 140141551 is about 11838.1396764863. The cubic root of 140141551 is about 519.4243518890.

Adding to 140141551 its reverse (155141041), we get a palindrome (295282592).

The spelling of 140141551 in words is "one hundred forty million, one hundred forty-one thousand, five hundred fifty-one".