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70132139 = 711910807
BaseRepresentation
bin1000010111000…
…10000110101011
311212222002012122
410023202012223
5120423212024
610543101455
71511053610
oct413420653
9155862178
1070132139
1136651350
121b5a188b
13116b6a0c
149458507
156254d5e
hex42e21ab

70132139 has 8 divisors (see below), whose sum is σ = 87437568. Its totient is φ = 54648360.

The previous prime is 70132133. The next prime is 70132141. The reversal of 70132139 is 93123107.

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 70132139 - 224 = 53354923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70132133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455327 + ... + 455480.

It is an arithmetic number, because the mean of its divisors is an integer number (10929696).

Almost surely, 270132139 is an apocalyptic number.

70132139 is a deficient number, since it is larger than the sum of its proper divisors (17305429).

70132139 is a wasteful number, since it uses less digits than its factorization.

70132139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910825.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 70132139 is about 8374.4933578098. The cubic root of 70132139 is about 412.3876919845.

The spelling of 70132139 in words is "seventy million, one hundred thirty-two thousand, one hundred thirty-nine".

Divisors: 1 7 11 77 910807 6375649 10018877 70132139