1371139 has 8 divisors (see below), whose sum is σ = 1709568. Its totient is φ = 1068360.

The previous prime is 1371137. The next prime is 1371151. The reversal of 1371139 is 9311731.

1371139 = T₃₄₂ + T₃₄₃ + ... + T₃₆₃.

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 1371139 - 2¹ = 1371137 is a prime.

It is a super-3 number, since 3×1371139³ = 7733315102300875857, which contains 333 as substring.

1371139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1371137) 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, 8827 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (213696).

2^1371139 is an apocalyptic number.

1371139 is a deficient number, since it is larger than the sum of its proper divisors (338429).

1371139 is a wasteful number, since it uses less digits than its factorization.

1371139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17825.

The product of its digits is 567, while the sum is 25.

The square root of 1371139 is about 1170.9564466708. The cubic root of 1371139 is about 111.0948246870.

The spelling of 1371139 in words is "one million, three hundred seventy-one thousand, one hundred thirty-nine".