140846364931 has 4 divisors (see below), whose sum is σ = 146970119952. Its totient is φ = 134722609912.

The previous prime is 140846364889. The next prime is 140846364961. The reversal of 140846364931 is 139463648041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139463648041 = 1307 ⋅106705163.

It is a cyclic number.

It is not a de Polignac number, because 140846364931 - 2⁹ = 140846364419 is a prime.

It is a super-2 number, since 2×140846364931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140846364961) 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, 3061877476 + ... + 3061877521.

It is an arithmetic number, because the mean of its divisors is an integer number (36742529988).

Almost surely, 2^140846364931 is an apocalyptic number.

140846364931 is a deficient number, since it is larger than the sum of its proper divisors (6123755021).

140846364931 is an equidigital number, since it uses as much as digits as its factorization.

140846364931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123755020.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 140846364931 in words is "one hundred forty billion, eight hundred forty-six million, three hundred sixty-four thousand, nine hundred thirty-one".