3136145042 has 4 divisors (see below), whose sum is σ = 4704217566. Its totient is φ = 1568072520.

The previous prime is 3136145021. The next prime is 3136145083. The reversal of 3136145042 is 2405416313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2405416313 = 71 ⋅33879103.

It can be written as a sum of positive squares in only one way, i.e., 1715533561 + 1420611481 = 41419^2 + 37691^2 .

It is a super-2 number, since 2×3136145042² = 19670811448922363528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3136144996 and 3136145014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784036259 + ... + 784036262.

Almost surely, 2^3136145042 is an apocalyptic number.

3136145042 is a deficient number, since it is larger than the sum of its proper divisors (1568072524).

3136145042 is a wasteful number, since it uses less digits than its factorization.

3136145042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568072523.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3136145042 is about 56001.2950028836. The cubic root of 3136145042 is about 1463.7448496910.

The spelling of 3136145042 in words is "three billion, one hundred thirty-six million, one hundred forty-five thousand, forty-two".