106140531 has 16 divisors (see below), whose sum is σ = 166110464. Its totient is φ = 59012064.

The previous prime is 106140511. The next prime is 106140533. The reversal of 106140531 is 135041601.

It is not a de Polignac number, because 106140531 - 2⁵ = 106140499 is a prime.

It is a super-2 number, since 2×106140531² = 22531624641923922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 106140498 and 106140507.

It is not an unprimeable number, because it can be changed into a prime (106140533) 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, 67525 + ... + 69078.

It is an arithmetic number, because the mean of its divisors is an integer number (10381904).

Almost surely, 2^106140531 is an apocalyptic number.

106140531 is a deficient number, since it is larger than the sum of its proper divisors (59969933).

106140531 is a wasteful number, since it uses less digits than its factorization.

106140531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136650.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 106140531 is about 10302.4526691463. The cubic root of 106140531 is about 473.4714015110.

The spelling of 106140531 in words is "one hundred six million, one hundred forty thousand, five hundred thirty-one".