139198929407 has 4 divisors (see below), whose sum is σ = 143998892520. Its totient is φ = 134398966296.

The previous prime is 139198929361. The next prime is 139198929409. The reversal of 139198929407 is 704929891931.

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

It is a cyclic number.

It is not a de Polignac number, because 139198929407 - 2¹² = 139198925311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139198929407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139198929409) 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, 2399981513 + ... + 2399981570.

It is an arithmetic number, because the mean of its divisors is an integer number (35999723130).

Almost surely, 2^139198929407 is an apocalyptic number.

139198929407 is a deficient number, since it is larger than the sum of its proper divisors (4799963113).

139198929407 is an equidigital number, since it uses as much as digits as its factorization.

139198929407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799963112.

The product of its (nonzero) digits is 8817984, while the sum is 62.

The spelling of 139198929407 in words is "one hundred thirty-nine billion, one hundred ninety-eight million, nine hundred twenty-nine thousand, four hundred seven".