3151400642 has 8 divisors (see below), whose sum is σ = 5090724156. Its totient is φ = 1454492592.

The previous prime is 3151400639. The next prime is 3151400657. The reversal of 3151400642 is 2460041513.

It can be written as a sum of positive squares in 2 ways, for example, as 2861073121 + 290327521 = 53489^2 + 17039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 121207717 = 3151400642 / (3 + 1 + 5 + 1 + 4 + 0 + 0 + 6 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60603833 + ... + 60603884.

Almost surely, 2^3151400642 is an apocalyptic number.

3151400642 is a deficient number, since it is larger than the sum of its proper divisors (1939323514).

3151400642 is a wasteful number, since it uses less digits than its factorization.

3151400642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121207732.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 3151400642 is about 56137.3373255269. The cubic root of 3151400642 is about 1466.1144462282.

The spelling of 3151400642 in words is "three billion, one hundred fifty-one million, four hundred thousand, six hundred forty-two".