139466070 has 32 divisors (see below), whose sum is σ = 371910240. Its totient is φ = 37190880.

The previous prime is 139466059. The next prime is 139466077. The reversal of 139466070 is 70664931.

139466070 is a `hidden beast` number, since 1 + 3 + 9 + 46 + 607 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139466077) 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, 258001 + ... + 258540.

It is an arithmetic number, because the mean of its divisors is an integer number (11622195).

Almost surely, 2^139466070 is an apocalyptic number.

139466070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139466070 is an abundant number, since it is smaller than the sum of its proper divisors (232444170).

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

139466070 is a wasteful number, since it uses less digits than its factorization.

139466070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516557 (or 516551 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 139466070 is about 11809.5753522301. The cubic root of 139466070 is about 518.5884672458.

The spelling of 139466070 in words is "one hundred thirty-nine million, four hundred sixty-six thousand, seventy".