140551311401 has 8 divisors (see below), whose sum is σ = 145098226944. Its totient is φ = 136005208560.

The previous prime is 140551311371. The next prime is 140551311427. The reversal of 140551311401 is 104113155041.

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 140551311401 - 2⁶ = 140551311337 is a prime.

It is a super-2 number, since 2×140551311401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140551313401) 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, 158555 + ... + 553391.

It is an arithmetic number, because the mean of its divisors is an integer number (18137278368).

Almost surely, 2^140551311401 is an apocalyptic number.

It is an amenable number.

140551311401 is a deficient number, since it is larger than the sum of its proper divisors (4546915543).

140551311401 is a wasteful number, since it uses less digits than its factorization.

140551311401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406351.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 140551311401 its reverse (104113155041), we get a palindrome (244664466442).

The spelling of 140551311401 in words is "one hundred forty billion, five hundred fifty-one million, three hundred eleven thousand, four hundred one".