140254135551 has 32 divisors (see below), whose sum is σ = 209342668800. Its totient is φ = 92802659040.

The previous prime is 140254135547. The next prime is 140254135561. The reversal of 140254135551 is 155531452041.

140254135551 is a `hidden beast` number, since 1 + 4 + 0 + 254 + 1 + 355 + 51 = 666.

It is not a de Polignac number, because 140254135551 - 2² = 140254135547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140254135501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3843570 + ... + 3879888.

It is an arithmetic number, because the mean of its divisors is an integer number (6541958400).

Almost surely, 2^140254135551 is an apocalyptic number.

140254135551 is a deficient number, since it is larger than the sum of its proper divisors (69088533249).

140254135551 is a wasteful number, since it uses less digits than its factorization.

140254135551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37396 (or 37390 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 140254135551 its reverse (155531452041), we get a palindrome (295785587592).

The spelling of 140254135551 in words is "one hundred forty billion, two hundred fifty-four million, one hundred thirty-five thousand, five hundred fifty-one".