1406681340140 has 24 divisors (see below), whose sum is σ = 2954668065552. Its totient is φ = 562551154880.

The previous prime is 1406681340137. The next prime is 1406681340157. The reversal of 1406681340140 is 410431866041.

It is a junction number, because it is equal to n+sod(n) for n = 1406681340094 and 1406681340103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7491266 + ... + 7676745.

It is an arithmetic number, because the mean of its divisors is an integer number (123111169398).

Almost surely, 2^{1406681340140} is an apocalyptic number.

1406681340140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406681340140 is an abundant number, since it is smaller than the sum of its proper divisors (1547986725412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1406681340140 is a wasteful number, since it uses less digits than its factorization.

1406681340140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172657 (or 15172655 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 1406681340140 in words is "one trillion, four hundred six billion, six hundred eighty-one million, three hundred forty thousand, one hundred forty".