140029640673 has 16 divisors (see below), whose sum is σ = 207554274816. Its totient is φ = 83392341120.

The previous prime is 140029640669. The next prime is 140029640677. The reversal of 140029640673 is 376046920041.

It is an interprime number because it is at equal distance from previous prime (140029640669) and next prime (140029640677).

It is not a de Polignac number, because 140029640673 - 2² = 140029640669 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140029640677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57910140 + ... + 57912557.

It is an arithmetic number, because the mean of its divisors is an integer number (12972142176).

Almost surely, 2^140029640673 is an apocalyptic number.

140029640673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140029640673 is a deficient number, since it is larger than the sum of its proper divisors (67524634143).

140029640673 is a wasteful number, since it uses less digits than its factorization.

140029640673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115822744.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 140029640673 in words is "one hundred forty billion, twenty-nine million, six hundred forty thousand, six hundred seventy-three".