140630515406 has 16 divisors (see below), whose sum is σ = 222095126400. Its totient is φ = 66600371448.

The previous prime is 140630515391. The next prime is 140630515423. The reversal of 140630515406 is 604515036041.

It is a congruent number.

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, 207980 + ... + 569663.

It is an arithmetic number, because the mean of its divisors is an integer number (13880945400).

Almost surely, 2^140630515406 is an apocalyptic number.

140630515406 is a deficient number, since it is larger than the sum of its proper divisors (81464610994).

140630515406 is a wasteful number, since it uses less digits than its factorization.

140630515406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782423.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 140630515406 in words is "one hundred forty billion, six hundred thirty million, five hundred fifteen thousand, four hundred six".