1551030136 has 16 divisors (see below), whose sum is σ = 2915663400. Its totient is φ = 773519904.

The previous prime is 1551030133. The next prime is 1551030179. The reversal of 1551030136 is 6310301551.

It is a self number, because there is not a number n which added to its sum of digits gives 1551030136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551030133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246090 + ... + 252313.

Almost surely, 2^1551030136 is an apocalyptic number.

It is an amenable number.

1551030136 is a deficient number, since it is larger than the sum of its proper divisors (1364633264).

1551030136 is a wasteful number, since it uses less digits than its factorization.

1551030136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498798 (or 498794 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1551030136 is about 39383.1199373539. The cubic root of 1551030136 is about 1157.5508512942.

Adding to 1551030136 its reverse (6310301551), we get a palindrome (7861331687).

The spelling of 1551030136 in words is "one billion, five hundred fifty-one million, thirty thousand, one hundred thirty-six".