140540034505551 has 8 divisors (see below), whose sum is σ = 187499392604160. Its totient is φ = 93637016371992.

The previous prime is 140540034505537. The next prime is 140540034505553. The reversal of 140540034505551 is 155505430045041.

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

It is not a de Polignac number, because 140540034505551 - 2²³ = 140540026116943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140540034505553) 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, 14084985441 + ... + 14084995418.

It is an arithmetic number, because the mean of its divisors is an integer number (23437424075520).

Almost surely, 2^{140540034505551} is an apocalyptic number.

140540034505551 is a deficient number, since it is larger than the sum of its proper divisors (46959358098609).

140540034505551 is a wasteful number, since it uses less digits than its factorization.

140540034505551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28169982525.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 140540034505551 in words is "one hundred forty trillion, five hundred forty billion, thirty-four million, five hundred five thousand, five hundred fifty-one".