139429355 has 8 divisors (see below), whose sum is σ = 180185712. Its totient is φ = 102963168.

The previous prime is 139429321. The next prime is 139429387. The reversal of 139429355 is 553924931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139429355 - 2¹⁸ = 139167211 is a prime.

It is a Duffinian 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, 1072469 + ... + 1072598.

It is an arithmetic number, because the mean of its divisors is an integer number (22523214).

Almost surely, 2^139429355 is an apocalyptic number.

139429355 is a deficient number, since it is larger than the sum of its proper divisors (40756357).

139429355 is a wasteful number, since it uses less digits than its factorization.

139429355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145085.

The product of its digits is 145800, while the sum is 41.

The square root of 139429355 is about 11808.0207909709. The cubic root of 139429355 is about 518.5429564235.

The spelling of 139429355 in words is "one hundred thirty-nine million, four hundred twenty-nine thousand, three hundred fifty-five".