140400012131 has 8 divisors (see below), whose sum is σ = 148663428480. Its totient is φ = 132137106048.

The previous prime is 140400012127. The next prime is 140400012139. The reversal of 140400012131 is 131210004041.

It is a happy number.

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

It is not a de Polignac number, because 140400012131 - 2² = 140400012127 is a prime.

It is a super-2 number, since 2×140400012131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140400012139) 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, 538265 + ... + 755333.

It is an arithmetic number, because the mean of its divisors is an integer number (18582928560).

Almost surely, 2^140400012131 is an apocalyptic number.

140400012131 is a deficient number, since it is larger than the sum of its proper divisors (8263416349).

140400012131 is a wasteful number, since it uses less digits than its factorization.

140400012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255133.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 140400012131 its reverse (131210004041), we get a palindrome (271610016172).

The spelling of 140400012131 in words is "one hundred forty billion, four hundred million, twelve thousand, one hundred thirty-one".