140135451551 has 8 divisors (see below), whose sum is σ = 140927940000. Its totient is φ = 139343846400.

The previous prime is 140135451541. The next prime is 140135451559. The reversal of 140135451551 is 155154531041.

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 140135451551 - 2³⁰ = 139061709727 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 (140135451559) 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, 98675 + ... + 538523.

It is an arithmetic number, because the mean of its divisors is an integer number (17615992500).

Almost surely, 2^140135451551 is an apocalyptic number.

140135451551 is a deficient number, since it is larger than the sum of its proper divisors (792488449).

140135451551 is a wasteful number, since it uses less digits than its factorization.

140135451551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441649.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 140135451551 its reverse (155154531041), we get a palindrome (295289982592).

The spelling of 140135451551 in words is "one hundred forty billion, one hundred thirty-five million, four hundred fifty-one thousand, five hundred fifty-one".