140355625453 has 8 divisors (see below), whose sum is σ = 141924775608. Its totient is φ = 138792213504.

The previous prime is 140355625349. The next prime is 140355625457. The reversal of 140355625453 is 354526553041.

It can be written as a sum of positive squares in 4 ways, for example, as 36399679369 + 103955946084 = 190787^2 + 322422^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140355625453 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 (140355625457) 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, 1385350 + ... + 1483207.

It is an arithmetic number, because the mean of its divisors is an integer number (17740596951).

Almost surely, 2^140355625453 is an apocalyptic number.

It is an amenable number.

140355625453 is a deficient number, since it is larger than the sum of its proper divisors (1569150155).

140355625453 is a wasteful number, since it uses less digits than its factorization.

140355625453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869103.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 140355625453 in words is "one hundred forty billion, three hundred fifty-five million, six hundred twenty-five thousand, four hundred fifty-three".