140312484122 has 4 divisors (see below), whose sum is σ = 210468726186. Its totient is φ = 70156242060.

The previous prime is 140312484107. The next prime is 140312484139. The reversal of 140312484122 is 221484213041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 127591125601 + 12721358521 = 357199^2 + 112789^2 .

It is a super-2 number, since 2×140312484122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35078121029 + ... + 35078121032.

Almost surely, 2^140312484122 is an apocalyptic number.

140312484122 is a deficient number, since it is larger than the sum of its proper divisors (70156242064).

140312484122 is an equidigital number, since it uses as much as digits as its factorization.

140312484122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70156242063.

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 140312484122 its reverse (221484213041), we get a palindrome (361796697163).

The spelling of 140312484122 in words is "one hundred forty billion, three hundred twelve million, four hundred eighty-four thousand, one hundred twenty-two".