106540715 has 16 divisors (see below), whose sum is σ = 133975296. Its totient is φ = 81180000.

The previous prime is 106540711. The next prime is 106540739. The reversal of 106540715 is 517045601.

It is not a de Polignac number, because 106540715 - 2² = 106540711 is a prime.

It is a super-2 number, since 2×106540715² = 22701847905422450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106540711) 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, 27020 + ... + 30710.

It is an arithmetic number, because the mean of its divisors is an integer number (8373456).

Almost surely, 2^106540715 is an apocalyptic number.

106540715 is a deficient number, since it is larger than the sum of its proper divisors (27434581).

106540715 is a wasteful number, since it uses less digits than its factorization.

106540715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3970.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 106540715 is about 10321.8561799707. The cubic root of 106540715 is about 474.0657018126.

The spelling of 106540715 in words is "one hundred six million, five hundred forty thousand, seven hundred fifteen".