140801401381 has 4 divisors (see below), whose sum is σ = 142195474764. Its totient is φ = 139407328000.

The previous prime is 140801401369. The next prime is 140801401417. The reversal of 140801401381 is 183104108041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 183104108041 = 7333 ⋅24969877.

It can be written as a sum of positive squares in 2 ways, for example, as 83073650625 + 57727750756 = 288225^2 + 240266^2 .

It is a cyclic number.

It is not a de Polignac number, because 140801401381 - 2²¹ = 140799304229 is a prime.

It is a super-2 number, since 2×140801401381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140801201381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697036540 + ... + 697036741.

It is an arithmetic number, because the mean of its divisors is an integer number (35548868691).

Almost surely, 2^140801401381 is an apocalyptic number.

It is an amenable number.

140801401381 is a deficient number, since it is larger than the sum of its proper divisors (1394073383).

140801401381 is a wasteful number, since it uses less digits than its factorization.

140801401381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394073382.

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 140801401381 in words is "one hundred forty billion, eight hundred one million, four hundred one thousand, three hundred eighty-one".