106131554 has 4 divisors (see below), whose sum is σ = 159197334. Its totient is φ = 53065776.

The previous prime is 106131547. The next prime is 106131559. The reversal of 106131554 is 455131601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455131601 = 3529 ⋅128969.

It can be written as a sum of positive squares in only one way, i.e., 92640625 + 13490929 = 9625^2 + 3673^2 .

It is a super-2 number, since 2×106131554² = 22527813508909832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106131559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26532887 + ... + 26532890.

Almost surely, 2^106131554 is an apocalyptic number.

106131554 is a deficient number, since it is larger than the sum of its proper divisors (53065780).

106131554 is an equidigital number, since it uses as much as digits as its factorization.

106131554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53065779.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 106131554 is about 10302.0169869788. The cubic root of 106131554 is about 473.4580529420.

It can be divided in two parts, 10613 and 1554, that added together give a cube (12167 = 23³).

The spelling of 106131554 in words is "one hundred six million, one hundred thirty-one thousand, five hundred fifty-four".