140348551 has 8 divisors (see below), whose sum is σ = 163117440. Its totient is φ = 118259448.

The previous prime is 140348539. The next prime is 140348567. The reversal of 140348551 is 155843041.

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

It is a cyclic number.

It is not a de Polignac number, because 140348551 - 2¹⁹ = 139824263 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 (140348591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169501 + ... + 170326.

It is an arithmetic number, because the mean of its divisors is an integer number (20389680).

Almost surely, 2^140348551 is an apocalyptic number.

140348551 is a deficient number, since it is larger than the sum of its proper divisors (22768889).

140348551 is an equidigital number, since it uses as much as digits as its factorization.

140348551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339893.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 140348551 is about 11846.8793781316. The cubic root of 140348551 is about 519.6799694999.

The spelling of 140348551 in words is "one hundred forty million, three hundred forty-eight thousand, five hundred fifty-one".